She pulled away from the window ____anyone should see them.
A.lest
B.even though
C.unless
D.even if
拓展
①lest “免得”， 引导的目的状语从句中其谓语动词多由should +动词原形构成，should也可省略。
➢You must wake him early lest he (should) be late for school.你务必早点叫醒他，以免他上学迟到。
②even though 即使;尽管➢I will have a try even though I should fail.哪怕失败，我也要试一下。
③unless 除非，如果不➢You will miss the bus unless you hurry up.你要不快点就会错过班车。
④only if 只有……才➢He will succeed only if he does his best.他只有尽力而为才能成功。
解析
本题答案：A翻译：她从窗边移走，以免有人看到他们。
