--- We don't know who stole the book. What's your opinion?--- Tom is considered ____ it.a. having done b. to have done c. doing d. to do选B 为什么?怎么判断?第2句是什么意思?

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--- We don't know who stole the book. What's your opinion?--- Tom is considered ____ it.a. having done    b. to have done    c. doing    d. to do选B 为什么?怎么判断?第2句是什么意思?

--- We don't know who stole the book. What's your opinion?--- Tom is considered ____ it.a. having done b. to have done c. doing d. to do选B 为什么?怎么判断?第2句是什么意思?
--- We don't know who stole the book. What's your opinion?
--- Tom is considered ____ it.
a. having done b. to have done c. doing d. to do
选B 为什么?怎么判断?第2句是什么意思?

--- We don't know who stole the book. What's your opinion?--- Tom is considered ____ it.a. having done b. to have done c. doing d. to do选B 为什么?怎么判断?第2句是什么意思?
选B
被动语态,be considered to 固定搭配
have done 完成时态
意思是:人们认为是汤姆干的(偷书).

B

因为considered是过去式所以选B.DONE

b

首先,consider to do sth.(考虑做某事),排除a和c
其次,根据上句,下句意思应为:我考虑是汤姆做的(汤姆被考虑已经做了).应为完成时
所以选b