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] followed [B] second [C] following

驾驶机动车行经市区下列哪种道路时不得超车？

A．主要街道

B．单向行驶路段

C．单向两条行车道

D．交通流量大的路段