Great changes ______in the village after a new factory was built here帮忙讲一下四个选项的用法a had taken place b took placec have taken place d were take place

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Great changes ______in the village after a new factory was built here
帮忙讲一下四个选项的用法
a had taken place b took place
c have taken place d were take place

从意思上看应该用现在完成事态,强调过去开始的动作对现在的影响,所以应该用C
a:是过去完成时,本句中没有很明显的“变化已经完成”的意思,并且少了持续性,不可
B:一般过去式,只是强调动作的发生,没有持续性和影响性
D:被动语态,显然这里Great changes是主体,不符

答案是a 因为后面是was built
a过去完成时
b过去时
c现在完成时
d错误答案 被动语态应该是were taken place