第二次世界大战的发生很大程度上源于世界经济的无序恶性竞争，战后初期国际社会为此做出了积极努力。下列各项与此无关的是（    ）

先通读下面的短文，掌握其大意，然后在每小题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

    Good morning, everyone. I want to 1 you about my neighbor(邻居)，Mr. White. There are 2 people in Mr. White's family. Mr. White is a manager of a big shop. Mrs. White teaches English in a university(大学).Her students like her very much 3 she is interesting. The Whites have two 4 . The son is Tim. He is thirteen. The daughter is Nell. She is twelve. There is also a brown 5 in their family. 6 name is Stella.

    Mr. White loves sports and he is good at playing tennis. Mrs. White likes 7 . She draws many beautiful pictures. Tim 8 listening to music. He has many CDs. Justin Bieber is his favorite singer. 9 is Nell's hobby? She likes doing some 10 . She has a lot of books in her room now. On Sunday, then take their cat to the nark and they often have a .good time there.

    Whenever Michael Carl, the fashion market director at Vanity Fair, goes out to dinner with friends, he plays something called the “phone stack” game: Everyone1 their phones in the middle of the table; whoever looks at their device before the check arrives 2for dinner.

    Brandon Holley, the former editor of Lucky magazine, had trouble 3 her iPhone when she got home from work. So about six months ago, she 4putting her phone into a milk tin the moment she walked in. It remains there until after dinner. And Marc Jacobs, the fashion designer, didn't 5 to sleep close to a beeping gadget. So, he6_digital devices from his bedroom—a house rule he 7 with audiences during a recent screening of Disconnect, a film that dramatizes how technology has alienated(使疏远) people from one another.

    As smartphones 8to make their way into our lives, and wearable devices like Google Glass9 our personal space even further, overtaxed users are exploring their own device-free zones. Whether it's a physical barrier(no iPads at the dinner table) or a conceptual one (turn off devices by 11 p.m.), users say these disconnecting 10 are improving their relationships---and11their brains.

    “Disconnecting is a luxury that we all12,” said Lesley M. M. Blume, a New York writer who keeps her phone away from the dinner table at home. “The expectation that we must always be13to employers, colleagues and family creates a real obstacle in trying to 14private time. But that private time is more important than ever.”

    A popular method for disconnecting is to choose a box for your cellphone, like the milk tin that MS. Holley uses. “15my phone is buzzing or lighting up, it's still a distraction, so it16in the box.” said Ms. Holley. Others choose new17 “No screens after 11 p. m.” said Ari. Melber, a TV host. “We found the evenings were more 18and we were sleeping better.” he added.

    Sleeping is a big factor, which is why some 19 to leave their phones out of their bedrooms. “I don't want to sleep next to something full of phones and emails.” said Peter Som, a fashion designer, who keeps his phone charging in the living room overnight. “It 20is a head-clearer and distinguishes daytime and sleep time.”