单选题He hated the war so&

单选题 He hated the war so much that he decided to leave the army _____.A.for longB.once in a whileC.for goodD.once upon a time

C解析　 for good (=permanently)永久地:He says he's leaving the country for good. for long 长久地。按本题题意，用 for long 不妥。once upon a time 从前。once in a while 偶尔。

我明天再问问老师，叫他解释下这个问题