— I've taken someone else's overcoat by mistake. Is it Jack's?

— It ____ be his. He seldom wears white. [ ]

A. can't

B. mustn't

C. won't

D. shouldn't

灵感在文学创作的艺术构思和艺术表现阶段都有可能出现，下列选项中不属于其主要特点的是（）

A.突发性

B.灵活性

C.短暂性

D.突破性