When it rains she a bus to work.A. is takingB. takingC. takesD. to take

问题补充：

When it rains, she a bus to work.

A. is taking

B. taking

C. takes

D. to take

答案：

(答案→)A. is taking

B. taking

C. takes

D. to take

解析：句意：当天开始下雨时，她正在乘坐公交车去上班。when表示“当…时候”，根据语境，句子要用现在进行时态，故选A