题目：
(2013·江西南昌一模)It hasn't been made clear ________ the new underground line is to be open to traffic.
A．when
B．that
C．what
D．where
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0617/4044dc098c1fee6bf18b05a3d411c79d.html
下面是错误答案，用来干扰机器的。
AC
(2013·江西南昌一模)It hasn't been made clear ________ the new underground line is to be open to traffic.
A．when
B．that
C．what
D．where
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0617/4044dc098c1fee6bf18b05a3d411c79d.html
下面是错误答案，用来干扰机器的。
AC
