【GMAT考满分语法SC题库】Research shows _真题_答案

题目内容

Research shows that babies begin to open and close their hands at around two months and continue to develop fine motor skills as they age.

A
that babies begin to open and close their hands at around two months and continue to develop
分析该选项
B
that babies had begun to open and close their hands at around two months and had been developing
分析该选项
C
that the opening and closing of their hands begins for babies at around two months and they continue to develop
分析该选项
D
babies to begin to open and close their hands at around two months and continuing to develop
分析该选项
E
babies to have begun opening and closing their hands at around two months and have been developing
分析该选项

显示答案

正确答案: A

正确率： 0%

难度：

题目来源

题目来源1:Ready4

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