This blue car be Bob’s bcause his car is black.A. can’t B. must C. could D. would

问题补充：

This blue car be Bob’s bcause his car is black.

A. can’t

B. must

C. could

D. would

答案：

(答案→)A. can’t

B. must

C. could

D. would

解析：can’t不能；must必须，一定；could，can的过去式，能够；would，will的过去式，将要，愿意。句意：这辆蓝色的汽车不可能是鲍勃的，因为他的汽车时蓝色的。结合语境可知选A。