IF IT HAD NOT BEEN FOR HIS CARELESSNESS, WE WOULD HAVE FINISHED TH...

58. If it had not been for his carelessness, we would have finished the work.

A. He was careless because we had not finished the work.

B. If he was careful, we would finish the work.

C. If he had been more careful, we would have completed the work.

D. Because he wasn’t careless, we didn’t finish the work.