--- the door please.
---- Please e in. The door .
A. Be open; opens
B. Be open; is opening
C. Open; opens
D. Open; is open
网友回答
A. Be open; opens
B. Be open; is opening
C. Open; opens
(答案→)D. Open; is open
解析：open可以用作动词打开，也可以用作形容词开着的。句意：请打开门。——请进，门开了。结合语境可知上文用作动词，打开。下文用作形容词作表语。故选D。