问题
选择题
It remains to be seen________North Korea will remain stable under its new young leader.
A．when
B．whether
C．why
D．That
答案
答案：B
题目分析：考查固定句型。It remains to be seen whether...“......还有待观察”，it是形式主语，真正的主语是whether引导的主语从句。句意：朝鲜在新的年轻领导人领导下，能否保持安定，还有待观察。故选B。