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【答案】B. food
【解析】名词辨析。前文中the drive to discover is deeply rooted in human,指探索的动力在人类中根深蒂固,与_____或避难所的基本动力相当。选项中属于人类基本需求的只有B选项food。A选项 pay,支付;C选项 marriage,婚姻;D选项schooling,学习教育,皆不符合文意。