[单项选择]When I was there, he was still working. He said that he (41) for the last two hours (42) that he was going to stop (43) . He added that if I had arrived ten minutes later, I (44) at home. When I mentioned that the house looked quite (45) , he said that the woman (46) usually cleaned it had been sick for some time and (47) for over a week. When I asked him (48) he did not do it himself, he said that he (49) to do so if Mrs. Jones did not come the (50) . [A] nothing has been done [B] nothing had been done [C] nothing was done