求助一道GWD语法题，感激不尽！

ohohohohc

Seldom more than 40 feet wide and 12 feet deep, but it ran 363 miles across the rugged wilderness of upstate New York, the Erie Canal connected the Hudson River at Albany to the Great Lakes at Buffalo, providing the port of New York City with a direct water link to the heartland of the North American continent.


A.Seldom more than 40 feet wide and 12 feet deep, but it ran 363 miles across the rugged wilderness of upstate New York, the Erie Canal connected
B.Seldom more than 40 feet wide or 12 feet deep but running 363 miles across the rugged wilderness of upstate New York, the Erie Canal connected
C.It was seldom more than 40 feet wide and 12 feet deep, and ran 363 miles across the rugged wilderness of upstate New York, but the Erie Canal, connecting
D.The Erie Canal was seldom more than 40 feet wide or 12 feet deep and it ran 363 miles across the rugged wilderness of upstate New York, which connected
E.The Erie Canal, seldom more than 40 feet wide and 12 feet deep, but running 363 miles across the rugged wilderness of upstate New York, connecting

答案是选B

刚开始看到选项B的时候，认为but前后不平行，but前面没有一个动名词与running平行，所以排除了

那“running”在这的词性是什么呢？是不是running作形容词呢？

ohohohohc

求指教呀求指教

bb1447

but 前后链接的是对erie canal的定语，都是修饰erie canal的

ohohohohc

喔！我懂了！谢谢你哦！