Mark the letter A, B, C, or D on your answer sheer to indicate the sentence that is closest in meaning to each of the following questions.
Even though all their money had been returned, they continued to complain.
A.They continued to complain but all their money had been returned.
B.They kept on complaining in spite of being given a full refund.
C.They didn't stop complaining until all their money had been returned.
D.They didn't stop complaining after they had received most of their money back.