17 According to the article, what is advisable for one to prevent heartburn?
(A)To lie down a bit after a meal.
(B)To eat some sweet fruit after a meal.
(C)To eat several small meals a day.
(D)To stand up after a meal.
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統計: A(1), B(4), C(5), D(11), E(0) #1669747
統計: A(1), B(4), C(5), D(11), E(0) #1669747