Mark the letter A, B, c or D on your answer sheet to indicate the sentence which best combines each pair of sentences in the following questions.
I owed Bill a favor. I agreed to help him.
A.lf I hadn’t owed Bill a favor, I would have agreed to help him.
B.It was only because I owed Bill a favor that I agreed to help him.
C.Although I owed Bill a favor, I agreed to help him.
D.I only agreed to help Bill because I owed him some money.