1. 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
E. of more than 75 carefully engineered structures of up to 600 rooms each had been
A: were謂語重複，應該去掉
B: correct，connected分詞修飾句子主語settlements
C: 第二個of修飾Structures不對，應該修飾scale;each同位語從句用過去完成時沒必要，
D: 第二個of修飾Structures不對，應該修飾scale;and with each沒有平行物件，
E: 第二個of修飾Structures不對，應該修飾scale;each後面是完整句子但沒有連詞
注意：
1、The Anasazi settlements at Chaco Canyon were built on a spectacular scale of up to 600 rooms each， connected by a complex regional system of roads. each指The Anasazi settlements，而不是rooms或者structures!
2、介詞的修飾物件、插入語、逗號+過去分詞的用途及修飾物件
2. According to one expert， the cause of genetic irregularities in many breeds of dog is not so much that dogs are being bred for looks or to meet other narrow criteria as that the breeds have relatively few founding members.
A. the cause of genetic irregularities in many breeds of dog is not so much that dogs are being bred for looks or to meet other narrow criteria
B. the cause of genetic irregularities in many breeds of dog is not as much their being bred for looks or meeting other narrow criteria as much
C. it is not so much the cause of genetic irregularities in many breeds of dog that they are being bred for looks or meeting other narrow criteria as much
D. it is not so much the cause of genetic irregularities in many breeds of dog is their being bred for looks or meeting other narrow criteria so much
E. it is not so much the cause of genetic irregularities in many breeds of dog to be bred for looks or to meet other narrow criteria
A: correct，for looks or to meet 平行修飾謂語bred
B: not so much their…as much as that 不平行
C: it表語從句用法錯，not so as…as much as 不平行
D: 同上，第二個is多餘， not so much… so much as用法錯
E: 同上，to be bred 和 to meet 邏輯不平行
注意：
1、not so much that… as that表示與其說…不如說，形式平行
2、for looks or to meet是功能平行而不是形式平行，表示be bred的目的`
3、從表面上看E的to be done 和 to do形式上最平行，但邏輯上修飾物件是錯的，是迷惑選項。
3. Greatly influenced by the Protested missionary Samuel Kirkland， the Oneida was the only one of the five-nation Iroquois League who sided with the colonists during the American Revolution.
A. was the only one of the five-nation Iroquois League who sided
B. was alone of the five-nation Iroquois League when they sided
C. alone among the five-nation Iroquois League sided
D. were the only ones out of the five nations of Iroquois League in siding
E. only of the five-nation Iroquois League had sided
