[单选题]By if the fuel isn’t there, the spark is useless, the author attempts to mean ____
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2023-10-01 08:00:28
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[单选题]By if the fuel isn’t there, the spark is useless, the author attempts to mean ____

A.Without carbohydrates, protein and fat, vitamins and minerals are of no use.
B.Carbohydrates, protein and fat are enough to sustain a human life
C.Vitamins and minerals are virtually of no value
D.Carbohydrates, protein and fat are as important as vitamins and minerals
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