985 Those who have visited the
(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
答案 d 我选 a
Be able to 不是不可随意增减吗。再说把that 从句改为doing 也是不合理的, 麻烦nn们帮看下,谢谢鸟!!!Kaplan gmat 800上答案是A
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