PP SC-57

sfstm

The Anasazi settlements at Chaco Canyon were built on a spectacular scale with more than 75 carefully engineered structures, of up to 600 rooms each, were connected by a complex regional system of roads.

(A) with more than 75 carefully engineered structures, of up to 600 rooms each, were
(B) with more than 75 carefully engineered structures, of up to 600 rooms each,
(C) of more than 75 carefully engineered structures of up to 600 rooms, each that had been
(D) of more than 75 carefully engineered structures of up to 600 rooms and with each   B
(E) of more than 75 carefully engineered structures of up to 600 rooms each had been

解释说B中的Each修饰structures, C ,D, E因为把with改成of使得each 修饰rooms, 我不太明白B中的Each怎么就修饰了structures了？？？

willways

B. with more than 75 carefully engineered structures, of up to 600 rooms each,

是不是因为这里本来应该连在一起的，也就是75 carefully engineered structures of up to 600 rooms each (structure)， 但为了让后面的connected能接上structure，所以就断开了，所以each是修饰structure？请指教

sfstm

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sfstm

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