这个作业怎么做?It was not until the

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/07/08 23:04:47

It was not until the subprime loan crisis (次贷危机) ____ great damage to the American financial system that Americans ____ the severity of the situation.	[ ]
A. caused, realized B. had caused, realized C. caused, had realized D. was causing, had realized

请问是it was not until 1990s还是It was not until the 1990s it was not until dark__she found__she thought was the correc not ...until it was not until Not until It was not until the thirteenth stroke____ the bell stopped. it was not until the thirteen stroke -------the bell stopped It was not until the end of the meeting______ It was not long until ... it was not until the thirteenth stroke___the bell stopped.1 It was not until midnight they reached the camp site. 1It was not until the accident happened_______. It was not until midnight ( )they reached the camp site. It was not until after midnight that the party ______