Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
He reluctantly accepted that he would have to spend the evening on his own.
A.He resigned spending the evening on his own unhappily.
B.He resigned himself to spending the evening on his own.
C.If he disagreed reluctantly, he would spend the evening on his own.
D.He did not accept spending the evening on his own.