Question

【题目】He said he had problem _______ out this math problem.

A. to work B. work C. working D. works

Answer 1

【答案】C

【解析】

试题分析：句意：他说他解答这道数学题有困难。根据句意及题干分析此题是考查“have problem doing sth.”，是指在做某事方面有困难，故选C。