My mother insisted that my father should buy a piano for me, and finally he managed to fin

My mother insisted that my father should buy a piano for me, and finally he managed to finance .
A. this
B. that
C. one
D. it

A. thisB. that(答案→)C. oneD. it解析：考查代词。句意“妈妈坚持要爸爸为我买一架钢琴，爸爸最后提供资金买了一件钢琴。”此处finance用作动词，一件钢琴为泛指单数，用one代替。故选C。

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