Question

(2013·高考陕西卷)It remains to be seen________the newly formed committee’s policy can be put into practice.

A．that  B．which

C．what  D．whether

Answer

【解析】选D。题干的意思是：“新组建的委员会的政策是否会付诸实施还有待观察。”该句包含一个由whether引导的主语从句“whether the newly formed committee’s policy can be put into practice”，该主语从句不缺成分，所以排除B和C；由语境中的remains to be seen可知，“是否实施新政策”还有待观察，所以此处要用whether。故选D。