问题
选择题
(2013·衡水一模) The question ________ you should take this medicine should be decided by your family doctor.
A．why
B．what
C．whether
D．that
答案
答案：C
句意：你是否吃药这个问题应由你的家庭医生决定。空处引导同位语从句，用来解释说明前面的question的具体内容。再根据句意可知，应选whether。