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Tom is believed _____ handsome when he was in college.

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Tom is believed _____ handsome when he was in college.
A.to be B.to have been C.having been D.being
1.答案:B.
2.
1)此题考查believe的固定结构.
believe sb/sth (to be) + 名词/形容词 “认为某人/物是...”
2) 但是如果“to be (to be) + 名词/形容词”所表示的事实发生在believe之前的话,则改用:believe sb/sth to have done sth.
此时,to have done sth中的to have done是不能省略的.
3)此题刚好指的是“在读大学”的时候,早就发生了,所以用believe sb/sth to have been handsome.
4)上述结构如果改成被动语态即:sb/sth be believed to have done sth
3.综上所述,答案为B.