― Finally I got to my grandmother’s home on foot.  

― Really? You _______ a ride there.  

A. must have taken                   B. could have taken

C. shouldn’t have taken          D. couldn’t have taken

 — Finally I got to my grandmother’s home on foot.

— Really? You _______ a ride there.

A. must have taken  B. could have taken

C. shouldn’t  have taken                                     D. couldn’t  have taken