(·陕西 20)It remains to be seen the newly formed committee's policy can be put into pra

问题补充：

(·陕西，20)It remains to be seen the newly formed committees policy can be put into practice.

A. that

B. which

C. what

D. whether

答案：

A. that

B. which

C. what

(答案→)D. whether

解析：考查名词性从句。题干中it作形式主语，真正主语为横线后的主语从句。判断主语从句中不缺少主干成分，因此排除代词B、C两项；“有待被观察”的事情应是不确定的事而不是表陈述，即排除表陈述的that应用whether表“是否”。