I stopped to listen; my son seemed himself shut in the living room． [ ] A．enjoyi

I stopped to listen; my son seemed ________ himself shut in the living room．

A．enjoying

B．to enjoy

C．that he was enjoying

D．to be enjoying

试题答案

答案：D

seem to be doing意为“似乎正在做着……”。句意为：当我停下来去听时，我儿子似乎在房间里自得其乐。