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【单选题】
恩格尔系数是指食品支出总额占个人消费品支出总额的比重，实际上反映了居民消费水平的变化。一般而言，恩格尔系数在（）以上生活为贫困。A.
50-59％
B.
45-50％
C.
20-40％
D.
59％以上
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