When a ton of wheat was being moved from Buffalo to New York City before the opening of the Erie Canal in 1825, it took three weeks and cost $100, but when the canal was used, it took less than eight days and cost less than $6.
A.When a ton of wheat was being moved from Buffalo to New York City before the opening of the Erie Canal in 1825, it took three weeks and cost $100, but when the canal was used, it
B.Moving a ton of wheat from Buffalo to New York City before the opening of the Erie Canal in 1825, it took three weeks and cost $100; using the canal, it C.Before the opening of the Erie Canal in 1825, moving a ton of wheat from Buffalo to New York City took three weeks and cost $100; on the canal the move
D.In 1825, before opening the Erie Canal, to move a ton of wheat took three weeks from Buffalo to New York City , which cost $100; moving it on the canal E.To move a ton of wheat in 1825 from Buffalo to New York City took three weeks before the opening of the Erie Canal, costing $100, but in using the canal, the move 答案选C，我选对了，就是想问B错在哪？当时BC纠结了一下~ 作者: chasingM7 时间: 2011-8-17 15:24
B.Moving a ton of wheat from Buffalo to New York City before the opening of the Erie Canal in 1825, it took ==> it is not required i think...