Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
He was appointed to the post. Right after his appointment, he fell ill.
A.No sooner did he appointed to the post than he fell ill.
B.No sooner had he appointed to the post than he fell ill.
C.Hardly had he appointed to the post when he fell ill.
D.Hardly had he been appointed to the post when he fell ill.