部分儿童在其生长发育过程中会出现某些类似强迫动作，但其症状多为一过性，和病态强迫症有本质区别，一般随年龄增长而逐渐消失，儿童出现这种情况的高峰年龄是（）

A.2～3岁

B.3~7岁

C.8～10岁

D.11～13岁

E.13～15岁

根据句意，补全对话，每空一词。

(Li Ming and Kangkang are in the school library)

Li Ming: Excuse me, may I    1    a few Ren'ai Project English workbook?

Girl: Of    2   . Many students are using them, and they are doing better in English now.

(The girl looks for the books on the shelves)

Girl: Here you are.

Li Ming: Great! How long can I    3   them?

Girl: Two weeks. You must   4   them on time.

Li Ming: Sure , I will. Thank you.

Girl: It's a    5