There is no doubt he will not be admitted to the room.A.ifB. whetherC. that D. which

问题补充：

There is no doubt he will not be admitted to the room.

A.if

B. whether

C. that

D. which

答案：

解析：考查doubt的用法。doubt用于肯定句时用whether引导同位语从句；用于否定句时，用that引导。例如：There is no doubt that...“......是毫无疑问的。”；There is some doubt whether he will come.。本题是否定句，故用that，无疑他将不被允许进入这个房间.