阅读下面短文,从短文后各题所给的四个选项(A,B,C和D)中,选出可以填入空白处的最佳选项。

    Smith, an old man, lived in the middle of the town. One day he found his watch1in his own store. It 2a lot to him because it was from his wife. After searching3in the store for a long while, he 4to ask for help from a group of children playing outside the store. He5them that the person who found it would be rewarded. 6this, the children hurried inside the store, went through and around the 7store, but still could not find the watch.

    Soon the man felt hopeless and wanted to8. A little boy went up to him and asked for another9 . The man looked at him and thought, “ Why not? 10, this kid looks sincere enough.”11the man sent him back in the store. After a while the boy 12 with the watch in his hand! The man was very13, and he asked the boy how he found it while the others had 14 . The boy replied, “I did nothing but sat on the ground and 15 .Then I heard the ticking (嘀嗒声) of the watch and just looked for it in that 16.”

    We usually do something in a hurry and don't think about our own needs, which can't bring peace into our mind. 17 we need to think about ourselves and keep peaceful for a while, which can produce a 18 result. So allow a few minutes of 19 to your mind every day, and see how it helps you deal with your work and make 20as you expect to!