People were perhaps more honest a long time ago when life was very different from it is t

问题补充：

People were perhaps more honest a long time ago when life was very different from it is today.

A. which

B. that

C. what

D. how

答案：

A. which

B. that

(答案→)C. what

D. how

解析： 考查宾语从句。What做从句的表语。“以前人们更加诚实，那时的生活不同于我们今天的样子。”