--- How easy is it to find a taxi in this city?
---Simply your hand, and a taxi appears in no time.
A. to raise
B. raise
C. raising
D. raised
网友回答
A. to raise
(答案→)B. raise
C. raising
D. raised
解析：——在这座城市里，找出租有多容易？
——仅仅抬起手，一辆出租车立刻出现。
故应选B. “祈使句，and+陈述句”=“If …,+主句”