Edward booked the tickets without asking us first....

Câu hỏi: Edward booked the tickets without asking us first. It was wrong of him to do so.

A Before asking us, Edward should have booked the tickets.

B Edward need not have asked us before he booked the tickets.

C Edward booked the tickets after he had asked us about them.

D Edward oughtn’t to have booked the ticket without asking us first.