In the dream Peter saw himself ___ by a fierce wolf, and he woke suddenly with a start.

A．chased

B．to be chased

C．be chased

D．having been chased

顾客对商品的情绪过程，大体可以分为哪几个阶段（）

A、喜欢阶段

B、激情阶段

C、评价阶段

D、选定阶段