They were late for the meeting because of the heav...

Câu hỏi: They were late for the meeting because of the heavy snow. 

A Had it not snowed heavily, they would have been late for the meeting.

B If it snowed heavily, they would be late for the meeting.

C But for the heavy snow, they wouldn't have been late for the meeting.

D If it didn't snow heavily, they wouldn't be late for the meeting.