Mark the letter A, B, C, or D on you answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
It was an interesting novel. I stayed up all night to finish it
A.Though it was an interesting novel, I stayed up all night to finish it.
B.I stayed up all night to finish the novel so it was interesting.
C.Unless it were an interesting novel, I would not stay up all night to finish it.
D.So interesting was the novel that I stayed up all night to finish It.