Question

【题目】—Why was Professor Wang unhappy recently?

—Because the theory he insisted on ________ wrong.

A. proving B. proved

C. being proved D. was proved

Answer 1

【答案】B

【解析】

试题分析：句意：——为什么王教授近来不高兴？——因为他坚持的理论被证实是错的。此处是主动形式表被动，故选B。