Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.
If it hadn’t been for his carelessness, we would have finished the work.
A.Because he wasn’t careless, we didn’t finished the work.
B.He was careless because he hadn’t finished the work.
C.If he had been more careful, we would have completed the work.
D.If her were careful, we would finish the work.