如图所示，岸边有一物体B，潜水员从水中能看见B的像B₁，请作出一条眼睛能看到B₁的折射光路图．

It took Sigmund Friend less time to fly to Xi’an than it _________ there.[ ]

A. did to drive  

B. was driving

C. does to drive  

D. did driving