At that time he did not realized that quitting the job ___the turning point in his lifea.was to become b.will become c.was becoming d.becomes选那个,

问题描述:

At that time he did not realized that quitting the job ___the turning point in his life
a.was to become b.will become c.was becoming d.becomes
选那个,

是过去将来时? 应该是was becoming 吧

b是一般将来时, C是过去进行时 d是一般现在时
都不符合句意,所以就算是排除法也应该是选择a 过去将来时

A 意思是说“直到那时他还没有意识到放弃那份工作将是他生活的转折点”