28-20: In the 1820’s, anthracite coalfields opened in eastern Pennsylvania, and when canals and eventually railroads reached into the region, there were substantial supplies of coal that was exported to the nation’s growing mills, forges, factories, and railways.
A: when canals and eventually railroads reached into the region, there were substantial supplies of coal that was
B: once canals and eventually railroads reaching into the region, there were substantial supplies of coal having been
C: with canals and eventually railroads reaching into the region, there had been substantial supplies of coal
D: canals and eventually railroads reached into the region, with substantial supplies of coal being
E: as canals and eventually railroads reached into the region, substantial supplies of coal were
为什么选D啊?E不对么,是根据逻辑意思判断的么?
谢谢了
eventually怎么放在那里?不管这个。
in the 1820's 修饰整个.....and...., 即:opened ...reached...
I think E is right!
Below is the way that I am doing this qeustions, kindly please let me know your comment if you donot agree with me:
"and" here is to connect two sentences:
In the 1820’s, anthracite coalfields opened in eastern Pennsylvania, and when canals and eventually railroads reached into the region, there were substantial supplies of coal that was exported to the nation’s growing mills, forges, factories, and railways.
In the 1820’s, anthracite coalfields opened in eastern Pennsylvania, and when canals and eventually railroads reached into the region, there were substantial supplies of coal that was exported to the nation’s growing mills, forges, factories, and railways.
E、as canals and eventually railroads reached into the region, substantial supplies of coal were
原文是coal was exported而E是supplies were exported,supplies(供应)可以出口吗?应该不能吧,我就是这样才把E排除,选了很不像正确答案的B
我选E
在前人基础上补充一点:
我认为这题在逻辑上时间应该有对应。as相当于when 与1820's对应 不同的时间有不同的事发生。而D 感觉这些事发生的时间不如E叙述的清晰
(非NN open to discuss)
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