单项选择题
M: I was Sorry to hear about Bill’s being red. I know he was sick a lot and that he usually went to work late.
W: Oh, it wasn’t that. Bill made a big error in last month’s accounting.
A. He got angry with his boss.
B. He always got to work late.
C. He was frequently sick and absent from work.
D. He prepared a financial report in correctly.