The greatest road system built in the Americas prior to the arrival of Christopher Columbus was the Incan highway, which, over 2,500 miles long and extending from northern Ecuador through Peru to Southern Chile.
A.Columbus was the Incan highway, which, over 2,500 miles long and extending
B.Columbus was the Incan highway, over 2,500 miles in length, and extended
C.Columbus, the Incan highway, which was over 2,500 miles in length and extended
D.Columbus, the Incan highway, being over 2,500 miles in length, was extended
E.Columbus, the Incan highway was over 2,500 miles long, extending
大家是如何看出built 是 有省略 which was ,否則我看到built就以為他是主動詞
A,B,E都不選....因為流水句
SC真的很弱....請大家賜教!! 跪謝
