阅读甲乙两文，回答问题。

       甲人恒过，然后能改；困于心，衡于虑，而后作；征于色，发于声，而后喻。入则无法家拂士，出则无敌国外患者，国恒亡。然后知生于忧患，而死于安乐也。 

                                                                                                                                      （选自《孟子》）
       乙淮北蜂毒，尾能杀人；江南蟹雄，螯能敌虎，然取蜂儿者不论斗，而捕蟹者未闻血指^①也。蜂窟于土或木、石，人踪迹得其处，则夜持烈炬临之，蜂空群赴焰，尽殪，然后连房刳取^②。蟹处蒲苇间，一灯水浒，莫不郭索^③而来，悉可俯拾。惟知趋炎，而不能安其所，其殒也固宜。

                                                                                                                                      （选自《齐东野语》）
     【注】：①血指：伤指  ②刳（kū）取：割取  ③郭索：急竞爬行的样子  ④殒：死亡

There are many things to help you        .

Don't open the door. It's cold. Please ____ the door.

根据短文理解，从A、B、C、D四个选项中选择最佳答案填空。

    Do you think of your parents? "Yes, of course," you may answer, "I buy a present for my mother on 1. And I give my father a present on Father's Day, 2. "Then what about the other days of a year? Always 3 to think of your parents, not just on some important days.

    I have a friend who 4 alone, because her parents live in another city. One day I went to see her. We had a nice chat. Then she wanted to make a 5. She dialed the number, but then she put the phone 6. After about ten seconds, she dialed the number again, "Hi, Mum……"

    Later I asked, "Why did you dial the number 7?" She smiled, "My parents are old. They can't get close to the telephone 8. I always do so when I call them. I just want to give them 9 time to answer the call."

    My friend is a good girl. She is always 10 her parents. You also want to be a good child, right? So why not learn from her?