I left for the office earlier than usual this morning traffic jam.A. in line withB. in ca

问题补充：

I left for the office earlier than usual this morning traffic jam.

A. in line with

B. in case of

C. for the sake of

D. at the risk of

答案：

A. in line with

(答案→)B. in case of

C. for the sake of

D. at the risk of

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