题目选项分析

Not fewer than 41 feet deep or 31 feet across, but spanning a critical 48 miles of dense and treacherous Central American jungle, the Panama Canal linked the Pacific and Atlantic Oceans, creating a vital passage for international maritime trade as well as significantly safer oceanic travel.

It was not fewer than 41 feet deep or 31 feet across, and spanned a critical 48 miles of dense and treacherous Central American jungle, but the Panama Canal, linking the Pacific and Atlantic Oceans, creating a vital passage for international maritime trade as well as significantly safer oceanic travel.