When        if he hadany idea what the novel was about, Jack kept silent. He       have read it very carefully.

A．asking; needn't

B．asking; shouldn't

C．asked; can’t

D．asked; mustn^’t

精神分析理论认为，人格的核心是一个人思想中的（）。

A.外向型

B.动力型

C.内心事件

D.冲突