Calcuations,which are surprisingly exact,have been made ____ with the use of computersA possible B to be possible C possibly D it possible我想问大家为什么其他三个选项不选

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Calcuations,which are surprisingly exact,have been made ____ with the use of computersA possible B to be possible C possibly D it possible我想问大家为什么其他三个选项不选

Calcuations,which are surprisingly exact,have been made ____ with the use of computersA possible B to be possible C possibly D it possible我想问大家为什么其他三个选项不选
Calcuations,which are surprisingly exact,have been made ____ with the use of computers
A possible B to be possible C possibly D it possible
我想问大家为什么其他三个选项不选

Calcuations,which are surprisingly exact,have been made ____ with the use of computersA possible B to be possible C possibly D it possible我想问大家为什么其他三个选项不选
其实这个题目需要你分析句子结构,主语 Calcuations,have been made 是谓语动词,with the use of computers 在句子中做状语.而which are surprisingly exact,是做定语的插入语,可以直接省略.那么就不难看出,possible是形容词做补足语(主语补足语).
这个句子是用了被动语态.还原为主动就是Sth has made Calcuations possible.此处就是形容词作宾语补足语.
,作为补足语一般用形容词或者名词.B选项是非谓语动词.C 是副词.D 把it去掉.

C选项是副词 calculations是名词要用形容词来形容
D选项没有必要用it啦,名词都已经摆在前面了