The teacher apologized late.
A. to his students to arrive
B. to his students for arriving
C. at his students to arrive
D. at his students for arriving
网友回答
A. to his students to arrive
(答案→)B. to his students for arriving
C. at his students to arrive
D. at his students for arriving
解析：考察apologize后介词用法。Apologize后介词to表示道歉的对象，for表示道歉的原因。根据句意：老师为迟到向学生们道歉。选B。