Thirty years ago William Harry was a poor boy . Now he is a respectable man . He is no lon

问题补充：

Thirty years ago William Harry was a poor boy . Now he is a respectable man . He is no longer .

A. that he used to be

B. what he used to be

C. the man who he used to be

D. he used to be

答案：

A. that he used to be

(答案→)B. what he used to be

C. the man who he used to be

D. he used to be

解析：考查表语从句。连接词What在从句中做used to be的表语。三十年前威廉是个穷孩子现在他是一位受人尊敬的人，他不是过去的样子了。