Question

The old man was the only person on the spot____ helped him ____ a series of facts as told

A．who, set up

B．who ,set down

C．which ,set out

D．that, set off

Answer 1

B

试题分析：考查定语从句和词组：句意：这个老人是唯一的在出事地点帮助他的记下一系列事实的人。第一空是定语从句的关系词，因为先行词是person，定语从句用who或that引导，第二空填set down记下，set up建立，set out出发，set off引发，引爆，出发，选B。