题目内容：

New York, September 15. During a heavy rainfall last night a bus carrying 42 passengers slipped off the road on Highway 28, killing 36 of the passengers and the driver.

A spokesman for the Highway Patrol (巡逻队) which arrived at the scene shortly after 11:30 p. m. estimated (估计) that the accident had happened about half an hour before. The injured and the dead were sent to the nearest town of Valley View.

At the point where the accident happened the road has a three-lane (三条行车线) highway with many curves (弯道). Cause of the accident has not been fully found out.

50．In consideration of what caused the accident, one should pay attention to ________.

A．the careless driver

B．the nearest town of Valley View

C．Highway 28

D．the road with many curves

51．It was very likely that the accident happened ________.

A．after 11: 30 p. m.

B．in the city of New York

C．at or about 11: 00 p. m.

D．in the town of Valley View

52．How many people died in the accident?

A．37    B．36    C．43    D．42