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题目材料：

Which of the following, if true, could account for the discrepancy described in the paragraph above?

A.A wide variety of insects, any of which can experience dwindling numbers during drought years, disperse the seeds of non–self-pollinating plants.
B.Non–self-pollinating plants release larger seeds that have a far greater chance of germinating than those formed by self-pollinating plants.
C.During non-drought years, non–self-pollinating plants do not create more seeds than do self-pollinating plants.
D.Insects sometimes spread the seeds released by self-pollinating plants but such seeds rarely germinate.
E.Non–self-pollinating plants thrive in tropical parts of the world more readily than do self-pollinating plants.

B显示答案

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以上解析由考满分老师提供。