老PREP的一道题，关于it的指代问题，求助牛牛！！！

zzrrqq0708 · 发表于 2012-4-16 16:50:45

94. (29615-!-item-!-188;#058&003960)
The decline of the mountain yellow-legged frog in the high reaches of the Sierra Nevada has become severe enough for the United States Fish and Wildlife Service quite possibly to list it as an endangered species in the near future.
(A) severe enough for the United States Fish and Wildlife Service quite possibly to list it
(B) severe enough so that the United States Fish and Wildlife Service could well list them
(C) severe enough for it quite possibly to be listed by the United States Fish and Wildlife Service
(D) so severe that the United States Fish and Wildlife Service could well list it
(E) so severe that they could well be listed by the United States Fish and Wildlife Service
这道题答案是D。在这里呢，小弟问个问题，与答案无关。D选项中it指代的是frog对吧？但是这道题的主语是decline of the mountain yellow-legged frog，那这个it可以指代of介词短语中后面的部分？
小弟弱了，求大神指导！！！

zzrrqq0708 · 发表于 2012-4-16 16:53:28

自己顶！！！

zzrrqq0708 · 发表于 2012-4-16 19:19:33

再顶！求解答！

nadine1009 · 发表于 2012-9-16 22:05:54

同问！

Eminent · 发表于 2013-2-9 14:57:52

同问

桑桑菠萝酱 · 发表于 2020-2-20 10:45:08

同问

はな · 发表于 2020-3-16 10:36:45

可以

本贴相关题目 GMATPrep-2007E1-SC-94 (KLSU)

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老PREP的一道题，关于it的指代问题，求助牛牛！！！

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