关于主系表下的with

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with结构可以修饰前面的名词 和前面的句子
如果前面是主系表结构而且with不修饰前面的名词  那只能修饰前面的句子咯。。。那又如何理解呢。。
如下题 prep07



57. (27481-!-item-!-188;#058&003189)

The Anasazi settlements at Chaco Canyonwere built on a spectacular scale with more than 75 carefullyengineered structures, of up to 600 rooms each, were connected by a complex regionalsystem of roads.  

(A) with more than 75 carefullyengineered structures, of up to 600 rooms each, were

(B) with more than 75 carefullyengineered structures, of up to 600 rooms each,

(C) of more than 75 carefully engineeredstructures of up to 600 rooms, each that had been

(D) of more than 75 carefully engineeredstructures of up to 600 rooms and with each

(E) of more than 75 carefully engineeredstructures of up to 600 rooms each had been



KEY: B

abc791201064

求大神~~~~~~~~~~~~~~~~~~~~~~