HowI help them to understand when they won’t listen to me?A. canB. wouldC. mayD. must

问题补充：

HowI help them to understand when they won’t listen to me?

A. can

B. would

C. may

D. must

答案：

(答案→)A. can

B. would

C. may

D. must

解析：本题考查情态动词。句中can表示“能够”。句意：当他们不会听我的时候，我怎么能够帮助他们理解呢？