求助GWD-18-Q39 一个小问题

rabbitear · 发表于 2010-7-14 23:27:35

GWD-18-Q39:
The survival of a rare New Zealand species of mistletoe that produces spectacular sprays of scarlet flowers is threatened both because their leaves are extremely tasty to a voracious opossum species and also because their flowers are pollinated by two species of birds whose populations are in decline.
A.   is threatened both because their leaves are extremely tasty to a voracious opossum species and also because their
B.   is threatened both because its leaves are extremely tasty to a voracious opossum species and because its
C.   is threatened both because its leaves are extremely tasty to a voracious opossum species and also its
D.   are threatened both because its leaves are extremely tasty to a voracious opossum species and its
E.   are threatened both because their leaves are extremely tasty to a voracious opossum species and because their
正确答案是B 弱弱的问一下，那个its代什么？不会产生歧义么？谢谢解答（搜索无答案）

rabbitear · 发表于 2010-7-15 18:29:17

啊~自己顶一下，谢谢热心TX

22464319 · 发表于 2010-8-14 10:58:44

刚刚搜索一下发现了这个帖子给出了解释
http://forum..org/viewthread.php?tid=182271

phantom99 · 发表于 2011-5-10 22:55:04

its应该是指a rare New Zealand species 吧~

ssyy23 · 发表于 2012-4-24 15:17:57

主语是survival，花的幸存者，无歧义

本贴相关题目 TN-16-SC-23 (GHJF)

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