47 What can be inferred from the passage?
(A)Musical instruments can influence the effects of mantra chanting.
(B)Mantra chanting brings benefits supported by scientific evidence.
(C)Though mantra chanting has a long history, few people know about it.
(D)Different types of mantras share more conflicts than similarities.

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統計： A(0), B(2), C(0), D(4), E(0) #3961652