Many restaurants have stopped using trans fats because they may______.
A．pollute hydrogenated oils
B．cause the food decay quickly
C．raise the risk of heart attack
D．spoil the taste of food

A.
A．pollute
B.cause
C.raise
D.spoil

【参考答案】

C
本题设题点在原因解释处。根据句(5—1)和句(5—2)可知，反式脂肪酸的害处有：增加坏的胆固醇、减少好的胆固......

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