Seldom more that 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

好象记得seldom 后与not A or B的用法不一样。要用seldom A and B. 此外请帮忙分析一下此题。谢谢！

注意but前逗号。But、If从句放在主句后面，其与主句之间没有逗号。放在前面则要再主从句中间加逗号。我的看法是否正确。

试着分析一下吧

Ａ，but it ...., the Erie Canal connected,两个独立的句子中间应该有连词或分号隔开

B,12 feet deep but running 363 miles 有点怪，但也说不上错，我选Ｂ

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. but后应该是一个完整的句子，并且and前后是反向对比关系，应该用but才对。

ＤThe 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

it多余，并且前边不应用and（如Ｃ），which指代不清

Ｅ，缺谓语动词