单项选择题


阅读下面短文,从短文后所给的[A]、[B]、[C]三个选项中选出一个能填入空白处的最佳选项。
When I was there, he was still working. He said that he (1) for the last two hours (2) that he was going to stop (3) . He added that if I had arrived ten minutes later, I (4) at home. When I mentioned that the house looked quite (5) , he said that the woman (6) usually cleaned it had been sick for some time and (7) for over a week. When I asked him (8) he did not do it himself, he said that he (9) to do so if Mrs. Jones did not come the (10) day.

A. that
B. which
C. why