單項(xiàng)選擇題

在進(jìn)行客房清掃服務(wù)時(shí),在摁門鈴的同時(shí),應(yīng)運(yùn)用以下哪一句酒店術(shù)語()

A、House keeping Please?
B、Is any one here?
C、Hello,What can I do for you?

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