【题目】The building windows are bright at night is our school library.
A. that B. which
C. whose D. of which
在线课程【答案】C
【解析】试题分析：本题考查定语从句的关系词用法。分析句子结构可知，该空所填词用来引导定语从句，且在从句中作定语，所以答案为C项。关系代词whose在从句中作定语指物时，可与of which转换。即：物+whose+名词=物+of which + the +名词=物+the+名词+of which.