Seeing a stranger with a knife in his hand the little girl stood under the tree out of

问题补充：

Seeing a stranger with a knife in his hand, the little girl stood under the tree, out of her mind.

A. frightened

B. be frightened

C. to be frightened

D. frightening

答案：

(答案→)A. frightened

B. be frightened

C. to be frightened

D. frightening

解析：考查分词用法。本题中的frightened感到害怕的；用形容词短语frightened out of her mind修饰主语the little girl.句意：看到一个陌生人手里拿着刀，那个小女孩站在树下，脑海中非常害怕。故A正确。