公共英语考试

【单选题】 Freight costs were reduced to 10% of what they had been because of
A．the decline in taxes.
B．the construction of the railroads.
C．the construction of the Erie Canal.
D．the development of industry.

网考网参考答案：C
网考网解析：
[解析]第六段第一句话：The canal produced an immediate effect．Freight costs were cut to about one-tenth of what they had been。故应选C。 查看试题解析出处>>