He suddenly appeared on ____ rainy night, which was ____ great surprise to us.

A．a; /

B．the; a

C．a; a

D．the; the

　　请用“银河”、“树影”、“蛙声”等词语写一段情景交融的文字。要求想象合理，语言连贯，不少于40 个字。

________________________________________________________