Question

【题目】He has made up his mind ________ this problem without any help.

A.solvingB.solveC.to solveD.solved

Answer 1

【答案】C

【解析】

句意：他已下定决心在没有任何帮助的情况下解决这个问题。

考查非谓语动词。选项A为动名词；选项B为动词原形；选项C为动词不定式；选项D为过去式。make up one's mind：下决心，决定；make up one's mind to do sth. 下定决心做某事。后跟动词不定式做目的状语。故选C。