A man . . . . . . . . travel in a ladies compartment.

A. cannot

B. could not

C. shall not

D. will not

Answer: Option A

Solution(By Examveda Team)

The difference between 'cannot' and 'could not' is the tense and where you put them in a sentence. 'Cannot' is in present tense while 'could not' is in past tense. 'Shall' or 'will' are used with future tenses.