Hurry up. The car is coming. Wait a minute Don’t cross the street the traffic lights are

问题补充：

Hurry up. The car is coming.

Wait a minute, Don’t cross the street the traffic lights are green.

A. while

B. when

C. until

D. after

答案：

A. while

B. when

(答案→)C. until

D. after

解析：while虽然，当……时；when既然，当……时；until直到；after在……之后。句意：快点，车来了。——等一下，直到绿灯亮时再穿过马路。结合语境可知选C。