I could say a word she had stormed out of the room.A. WhenB. AsC. WhileD. Before

问题补充：

I could say a word, she had stormed out of the room.

A. When

B. As

C. While

D. Before

答案：

A. When

B. As

C. While

(答案→)D. Before

解析：句意：我还没有来得及说一句话，她就冲出了房间。when当……时候； as 当……时候； while 虽然； before在……之前。根据句意故选D。