Could you return my call before 3 p.m.?
你能在3点前回复我吗?
A. Sure, I'll call you around 2:30.
A.当然,我会在2点半打电话给你。
B. No, she hasn't returned yet.
B.不,她还没有回复。
C. No, I think it's 4 p.m.
C.不,我认为要4点了。