The pen, I paid 2 dollars, was lost.A. to whichB. for whichC. whichD. that

The pen, I paid 2 dollars, was lost.
A. to which
B. for which
C. which
D. that

A. to which(答案→)B. for whichC. whichD. that解析：考查定语从句。先行词为the pen，当指物的引导词做介词宾语时，只能使用which，pay for为……付款，故选B。

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