选择题：The （） sign tells everyone youre not in the hotel room.

题目内容：

The （） sign tells everyone you're not in the hotel room.

A.I am out.

B.Please make up this room.

C.Do not disturb.

D.Do not come in.

参考答案：【答案仅供学习，请勿对照自行用药等】

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