Don’t hesitate me if you have any questions.A. askingB. asksC. to askD. asked

问题补充：

Don’t hesitate me if you have any questions.

A. asking

B. asks

C. to ask

D. asked

答案：

A. asking

B. asks

(答案→)C. to ask

D. asked

解析：考查短语：hesitate to do 犹豫做某事，句意：如果你有问题的话，不要犹豫问我。故选C。