题目内容：

at the sight of the frightening snake,the girl stood with a frightened __ on her face.
A．look
B．appearance
C．expression
D．surface
要解析.

优质解答

答案是A
look神情,神色；appearance表示对人或事物的外表进行客观的记叙,强调整体外貌.；expression表情；surface表面.