It was not until the subprime loan crisis (次贷危机) ____ great damage to the American financial system

题目简介

It was not until the subprime loan crisis (次贷危机) ____ great damage to the American financial system

题目详情

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
题型:单选题难度:中档来源:0127 模拟题

答案

B

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