46 What is this passage mainly about?
(A)The way to reduce farts.
(B)Facts to know about farts.
(C)How to have a healthy diet.
(D)The dangers of holding in farts.
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統計: A(18), B(272), C(20), D(23), E(0) #240372
統計: A(18), B(272), C(20), D(23), E(0) #240372