17.下列何者是唯一可以將聲帶外展的肌肉?
(A)環甲肌(cricothyroid muscle)
(B)側環杓肌(lateral cricoarytenoid muscle)
(C)後環杓肌(posterior cricoarytenoid muscle)
(D)甲狀肌(thyromuscularis muscle)

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統計: A(0), B(0), C(1), D(0), E(0) #3988354