---I knocked into a tree when I went to the railway station for my friend.

---I suppose you ________ too fast.

1. A.
   drive
2. B.
   are driving
3. C.
   drove
4. D.
   were driving

—I knocked into a tree when I went to the railway station for my friend.

—I suppose you _____ too fast.

A. drive           B. are driving          C. have driven           D. were driving