陈向东gmat逻辑推理支持题5求助

Cecile8chen · 发表于 2012-10-12 16:48:14

Many geologists theorize that the trail of volcanic crater
and cinder cones along the Snake River plain of southern Idaho was
produced as the North American continent slid west-ward over a stationary"plume,"
a vertical channel through which molten rock rose intermittently from the Earth's
core to burst through its crust.
Which of the following, if true, tends to support the geologists' theory of how the
trail was produced?
A the largest crater and cinder cones are on the eastern margin of the trail
B The most violent volcanic activity apparently occurred at the western margin of the trail
C The crater and cinder cones are on the eastern margin of the trail
D The newest crater and cinder cones are on the eastern margin of the trail
E The craters and cinder cones on the western margin of the trail generally took longer to
form than did those on the eastern margin

为什么答案是D啊不懂不懂我选的是E

holly12345 · 发表于 2015-8-9 20:56:17

我这道题也不会。。顶一下帖子

陈向东gmat逻辑推理支持题5求助

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陈向东gmat逻辑推理支持题5求助