Mr. Johnson his boss his careless mistake.
A. apologized; about
B. apologized to; about
C. apologized to; for
D. apologized; for
网友回答
A. apologized; about
B. apologized to; about
(答案→)C. apologized to; for
D. apologized; for
解析：句意：Johnson先生为他的粗心的错误向老板道歉。apologize是一个不及物动词，为某事向某人道歉，用apologize to sb. for sth.所以选C。