—I’m sorry, but the boss isn’t here yet. Shall I have him call you when he es back?
—No, I’ll call him back. If I call again in half an hour, do you think she ?
A. had arrived
B. has arrived
C. will arrive
D. will have arrived
网友回答
A. had arrived
B. has arrived
C. will arrive
(答案→)D. will have arrived
解析：一般将来时表示将要发生的动作，而将来完成时表示将来某个时间之前已经发生或完成的动作。根据语境可知是强调将来的结果，应用将来完成时。