The old man didn't look _____ again. Don't _____ about him now. 为什么?

问题描述:

The old man didn't look _____ again. Don't _____ about him now. 为什么?
Aworried, worried
Bworried, worry
Cworry, worried
Dworry,worried

B
look worried 看起来担心
don‘t 后面接动词原型