Question

The president stood by a window inside the room, ____, looking over the square.

A. where I entered     B. into which I entered

 C. which I entered     D. that I entered

Answer 1

C

解析:

考查定语从句。Enter为及物动词，先行词the room为其宾语，不需使用介词，也不能用where。非限制性定语从句只能使用which。