标题: OG VERBAL SC 27 有一段解释的话没看懂， 求解释！！！！ [打印本页] 作者: zcstc007 时间: 2012-12-6 21:16 标题: OG VERBAL SC 27 有一段解释的话没看懂， 求解释！！！！ Obtaining an investment-grade rating will keep the county's future borrowing costs low, protect its already-tattered image, and increase its ability to buy bond insurance.
A.Obtaining an investment-grade rating will keep the county's future borrowing costs low, protect B.To obtain an investment-grade rating will keep the county's future borrowing costs low, and protect C.Having obtained an investment-grade rating will, in keeping the county's future borrowing costs low, protect D.To obtain an investment-grade rating would keep the county's future borrowing costs low, protecting E.Obtaining an investment-grade rating, keeping the county's borrowing costs low, would be protecting
E选项中官方的解释有这么一句： this version of the sentence makes the referent of the possessive pronoun its uncertain because the possessive pronoun no longer identifies with the possessive noun in a grammatically parallel series.
