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.
We couldn’t get a babysitter. That’s why we couldn’t join you at the restaurant.
A.If we could get a babysitter, we would have joined you at the restaurant.
B.We could have joined you at the restaurant, but we couldn’t get a babysitter.
C.The reason for our absence at the restaurant was not that we could get a babysitter.
D.We couldn’t get a babysitter so that we couldn’t join you at the restaurant.