Mr Black must be worried about something. You can it from the look on his face. A. reason

问题补充：

Mr Black must be worried about something. You can it from the look on his face.

A. reason

B. recognize

C. read

D. realize

答案：

A. reason

B. recognize

(答案→)C. read

D. realize

解析：本题考查动词辨析。reason“思考、想到”，强调通过思索而推理出某结果；recognize强调“认出”某人或某物；realize作“认知、了解、实现”解；read意为“观察、了解”。read one’s thought弄懂某人的想法。