GMAT 考满分题库

- 语法SC -
Upon their first encountering leaf-cutting ants in South America, the insects seemed to some Europeans to be carrying bits of greenery to shade themselves from the tropical sun--hence the sobriquet "parasol ants.”
  • AUpon their first encountering leaf-cutting ants in South America, the insects seemed to some Europeans to be 分析该选项
  • BUpon their first encountering leaf-cutting ants in South America, some Europeans thought they were 分析该选项
  • COn first encountering leaf-cutting ants in South America, it seemed to some Europeans that the insects were 分析该选项
  • DOn first encountering leaf-cutting ants in South America, some Europeans thought the insects were 分析该选项
  • EOn their first encounter with leaf-cutting ants in South America, some Europeans thought it was because the insects were 分析该选项
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正确答案: D

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