单选题 She ______ many ways to lose weight, since she became a little bit plump.
A. tried B. had tried C. has tried D. tries

【正确答案】 C

【答案解析】[解析] 该题考查时态。后半句“since she became a little bit plump”用了一般过去时，判断前半句应该用现在完成时。