Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
They were late for the meeting because of the heavy snow.
A.But for the heavy snow, they wouldn't have been late for the meeting.
B.Had it not snowed heavily, they would have been late for the meeting.
C.If it snowed heavily, they would be late for the meeting.
D.If it didn't snow heavily, they wouldn't be late for the meeting.