Because the Earth's crust is more solid there and thus better able to transmit shock waves, an earthquake of a given magnitude typically devastates an area 100 times greater in the eastern United States than it does in the West.

(A) of a given magnitude typically devastates an area 100 times greater in the eastern United States than it does in the West

(B) of a given magnitude will typically devastate 100 times the area if it occurs in the eastern United States instead of the West
(C) will typically devastate 100 times the area in the eastern United States than one of comparable magnitude occurring in the West
(D) in the eastern United States will typically devastate an area 100 times greater than will a quake of comparable magnitude occurring in the West
(E) that occurs in the eastern United States will typically devastate 100 times more area than if it occurred with comparable magnitude in the West

A为什么错呢？OG解释里说因为A暗示发生在东美国的地震和西部的地震是同一个，所以错。我就不明白这样为什么不可以呢？我可以把A理解成：一个给定强度的地震在东部的破坏能力比在西部大。地震还是同一地震，只是它在不同的地方破坏能力不同。这样也能说的通啊。不明白了，请nn指点！

an earthquake 后面的of...是起限制作用的,限制an earthquake.

than后的it是指代被of限制了的那个an earthquake,

但是一个地震不可能同时发生在两个地方对吧,所以it的指代是错的

不知道你明白了吗,呵呵

明白了。谢谢！！