He will come to understand your efforts sooner or later.It’s just a matter of .

He will come to understand your efforts sooner or later.It’s just a matter of ________.                                                                (2012·四川，15)

试题答案

C

解析本题考查名词辨析。句意为：他迟早会理解你付出的努力的。这只是时间问题。根据句意选C。