解析：A、The role of inland waterways in_考试试题_四六级

【单选题】
A、The role of inland waterways in the nation’’s growth.
B．The development of New YorkCity as a seaport.

C、The growth of the railroads.
D．The disappearance of the canal system.

网考网参考答案：A
网考网解析：
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