问题描述：
I'm afraid that no one knows ___.
有如下四个选项：
A,when will the the game start
B,where has our teacher gone
C,who will win the game
D,how long did the meeting last
请问为什么选择这项?请陈述理由.
有如下四个选项：
A,when will the the game start
B,where has our teacher gone
C,who will win the game
D,how long did the meeting last
请问为什么选择这项?请陈述理由.
问题解答：
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