With no one to in such a frightening situation，she felt very helpless.
A. turn to
B. turn on
C. turn off
D. turn over
网友回答
(答案→)A. turn to
B. turn on
C. turn off
D. turn over
解析：本题考查动词短语辨析。turn to 转向……求助；turn on 打开；turn off 关闭；turn over 翻转，翻身。根据句意“在可怕的环境下她没人可求助，她感到非常绝望”。