He hated the war so much that he decided to leave the army .A. for longB. once in a while

He hated the war so much that he decided to leave the army .
A. for long
B. once in a while
C. for good
D. once upon a time

A. for longB. once in a while(答案→)C. for goodD. once upon a time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。

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