大全 ---985！！！（这是哪儿的题呀？）

halcyon · 发表于 2004-2-1 20:28:00

985. Those who have visited the Grand Canyon have typically seen layers of sediment in the gaping canyon, with different colors that mark the passage of time like the rings in a tree trunk.
(A) seen layers of sediment in the gaping canyon, with different colors that mark
(B) see layers of sediment in the gaping canyon, whose different colors mark
(C) been seeing layers of sediment in the gaping canyon, whose different colors are markers of
(D) been able to see layers of sediment in the gaping canyon, with different colors marking
(E) seen layers of sediment in the gaping canyon, marking by different colors

why d? what's wrong with a

大全 ---985！！！（这是哪儿的题呀？）

大全 ---985！！！（这是哪儿的题呀？）

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