The small mountain village         we spent our holiday last month was in         is now part of Hubei.

A．which , where

B．where ; what

C．that ; what

D．when ; which

更换床单时，以下哪一项是正确的：（）

A．放下的污单放在病人床尾

B．污单随意垂在地上

C．污单卷起放在床尾的架或污物车上

D．污单放在清洗车上