— Let’s have an outing tomorrow.
— Sorry. The final exam is drawing near and I am in a race time.
A. over
B. in
C. against
D. on
网友回答
A. over
B. in
(答案→)C. against
D. on
解析：句意：——明天我们一起去出游吧。——对不起。期末考试马上就到了，我要争分夺秒。此处a race against time意为：和时间赛跑，争分夺秒。根据句意选C。