单选题 He has little trouble ______ the tires of his car.
A. to fix B. fix C. fixing D. with fixing

【正确答案】 C
【答案解析】[解析] 本题是说他安装车胎时没费什么事。have trouble doing sth．是固定用法，意思是“做某事有困难”。因此c项为正确答案。