A number of old buildings in this area are believe___in the terrible earthquake in2008Abeing destroyed Bhaving been destoryed C to destory D to have been destoryed是believed 打错了 希望可以讲解一下

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A number of old buildings in this area are believe___in the terrible earthquake in2008Abeing destroyed Bhaving been destoryed C to destory D to have been destoryed是believed 打错了 希望可以讲解一下

A number of old buildings in this area are believe___in the terrible earthquake in2008Abeing destroyed Bhaving been destoryed C to destory D to have been destoryed是believed 打错了 希望可以讲解一下
A number of old buildings in this area are believe___in the terrible earthquake in2008
Abeing destroyed Bhaving been destoryed C to destory D to have been destoryed
是believed 打错了 希望可以讲解一下

A number of old buildings in this area are believe___in the terrible earthquake in2008Abeing destroyed Bhaving been destoryed C to destory D to have been destoryed是believed 打错了 希望可以讲解一下
D

答案选 D
这里是 be believed to do 据认为/据相信做...
而且非谓语动词destroy的动作发生在谓语动词 believe之前
所以非谓语动词 destroy 要用完成式,放在句中就是 be believe to have been destroyed

D.to have been destoryed
be believed to=be thought to 被认为……
又因为句意为“许多旧建筑 被 毁坏”所以应用被动

D
are believed 被认为的意思 被动语态
in 是完成时的标志