OG VERBAL SC 27 有一段解释的话没看懂，求解释！！！！

zcstc007 · 发表于 2012-12-6 21:16:30

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.

这句话是不是意味着its不能指代其他平行元素中的名词啊。。。

TerraceHo · 发表于 2012-12-7 12:23:12

lz注意E項would be前面的兩個成份，這樣的結構有兩種可能：
（1）並列平行做subject。但是這裡沒有加and，不對。這種情況下its到底是指代哪個呢，obtaining還是keeping？uncertain!
（2）第一個obtaining是present participle with comma，修飾主語和謂語。邏輯上說不過去，就算it是指代keeping，意思也是錯的

我覺得有時候不用太糾結og解釋的每一句話的，ron大神他們也說og部份解釋也是有問題的。按著meaning和grammar來，自己總結出錯誤的原因，然後大致對照一下og的解釋就ok了。套用baby姐的話，og解釋裏面最重要的還是第一段！

本贴相关题目 OG-2015V-SC-27 | GMATPrep-2007E1-SC-7 (UUKK)

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OG VERBAL SC 27 有一段解释的话没看懂，求解释！！！！

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本贴相关题目 OG-2015V-SC-27 | GMATPrep-2007E1-SC-7 (UUKK)

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OG VERBAL SC 27 有一段解释的话没看懂， 求解释！！！！

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OG VERBAL SC 27 有一段解释的话没看懂，求解释！！！！