题目内容
（请给出正确答案）
[主观题]
根据下面材料，回答第 31～35 题： 第 31 题 We can infer from the first paragraph that _
根据下面材料，回答第 31～35 题：
第 31 题 We can infer from the first paragraph that _______.（）
[A] the past central operating assumption conforms to the present condition
[B] the poor in middle-income countries have outnumbered those in Africa
[C] most of the impoverished "bottom billion" have emigrated from Africa
[D] the poor in middle-income countries are quite odd in behavior.
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