问题
选择题
The number of various educational programs is increasing, _______ important roles have been realized by more and more people.
A．whose
B．where
C．which
D．that
答案
答案：A
题目分析：句意：各种各样的教育节目正在增加，越来越多的人意识到了教育的重要作用。这个句子包含一个非限制性定语从句，且关系词在从句中作定语，所以用关系代词whose，选A。