— What’s the matter with Peter?— He was seen crying when he was coming out of the office.

问题补充：

— What’s the matter with Peter?

— He was seen crying when he was coming out of the office. He by the manager.

A. may be scolded

B. should have been scolded http:/

C. must be scolded

D. must have been scolded

答案：

A. may be scolded

B. should have been scolded http:/

C. must be scolded

(答案→)D. must have been scolded

解析：must+have+过去分词，表示对过去某事或某中情况的肯定的猜测，只能用于肯定的陈述句。如果对过去否定的猜测，必须用can’t have+过去分词。