问题
单项选择题
The driver began to speed up to （） for the hour had lost in the traffic jam.
A. keep up
B. take up
C. catch up
D. make up
答案
参考答案：D
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The driver began to speed up to （） for the hour had lost in the traffic jam.
A. keep up
B. take up
C. catch up
D. make up
参考答案：D