Any population increase beyond a certain level necessitates greater ______ vegetable foods; thus, the ability of a society to choose meat over cereals always arises, in part, from ______ the number of people. (A) reliance on .. replenishing (B) production of .. estimating (C) spending on .. concealing (D) recourse to .. limiting (E) attention to .. varying 答案是D 這題的後半段意思跟前半段感覺好不搭喔 不知道該怎麼解釋 @@ --

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