19 What is the main use of truffles in the West?
(A)They are used as a cooking ingredient.
(B)They are used to make black diamonds.
(C)They are used to make perfume.
(D)They are used to make rubbery balls.
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統計: A(61), B(24), C(16), D(9), E(0) #1192125
統計: A(61), B(24), C(16), D(9), E(0) #1192125