He is afraid to face the difficulty he thinks he’ll have     the driving test tomorrow; he finds it difficult    rid of the worries．

A．passed；got

B．passing；to get

C．to pass；getting

D．in passing；in getting

不属于重复刻板行为的是（）。

A.沉湎于刻板有限的兴趣

B.仪式动作

C.发作性肢体抽动

D.重复的装相行为

E.持久地沉湎于物体的部件