求大牛指導我一題結構題!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

hijenny

65.(28041-!-item-!-188;#058&003495)



Developed by Pennsylvania's Palatine Germans about 1750, they made Conestoga wagons with high wheels capable of crossing rutted roads, muddy flats, and the nonroads of the prairie and they had a floor curved upward on either end so as to prevent cargo from shifting on steep grades.

(A) they made Conestoga wagons with high wheels capable of crossing rutted roads, muddy flats, and the nonroads of the prairie and they had a floor curved upward on either end so as to prevent

(B) they made Conestoga wagons, which had high wheels capable of crossing rutted roads, muddy flats, and the nonroads of the prairie, and floors curved upward on their ends so that they prevented

(C) Conestoga wagons, with high wheels capable of crossing rutted roads, muddy flats, and the nonroads of the prairie, and had a floor that was curved upward at both ends to prevent

(D) Conestoga wagons had high wheels capable of crossing rutted roads, muddy flats, and the nonroads of the prairie, and a floor that was curved upward at both ends to prevent

(E) Conestoga wagons had high wheels capable of crossing rutted roads, muddy flats, and the nonroads of the prairie and floors curving upward at their ends so that it prevented


答案是D
可是我不理解and the nonroads of the prairie, and a floor that was curved upward at both ends to prevent  這句話是重哪裡冒出來的
研究了半天  好輟折..............................
請戰友們指點!!




and the nonroads of the prairie, and a floor that was curved upward at both ends to prevent  這句話是重哪裡冒出來的
研究了半天  好輟折..............................
請戰友們指點!!

venus2elva

a floor 与 high wheels 共用一个 had, 而roads, flats, nonroads 三者是平行的。