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.
As soon as he arrived home, it started to rain.
A.Arriving home, he said that it would start to rain.
B.Hardly had it started to rain when he arrived home.
C.It started to rain and then he arrived home.
D.No sooner had he arrived home than it started to rain.