Attheendoftheyearthereatestoneverythingwehavestudied.AwasBwillbeCwouldbeDhasbeen请告知这个英语单项选择为什么选那项,别的为什么不选?最后还请翻译一下这句话谢.多谢多~~~.

Question

At the end of the year there ____ a test on everything we have studied.
A was B will be
C would be D has been
请告知这个英语单项选择为什么选那项,别的为什么不选?最后还请翻译一下这句话谢.多谢多~~~.

Answer 1

正确答案选B
have studied 是现在完成时,（无对过去的说明）,所以不能用过去式（was 或would）,A,C均不选.
在年末那里会有一个检测我们已经学过的知识的测试.
此测试还未完成,没有发生过,所以选B.