题干
He will come to understand your efforts sooner or later. It's just a matter of_______.
A：time
B：value
C：luck
D：fact
答案(点此获取答案解析）
A
He will come to understand your efforts sooner or later. It's just a matter of_______.
A：time
B：value
C：luck
D：fact
中，
且
，则