问题
选择题
It is believed ______ children should learn to be responsible from the very beginning．
A．why
B．how
C．when
D．that
答案
答案：D
题目分析：句意：据相信从一开始孩子们就应该学会负责任。这里使用了固定句型:It is believed that…据相信…，it这里是形式主语，真正的主语是that引导的主语从句，所以选D。