30 下列那一對喉部的肌肉具有打開聲帶(abduction of vocal folds)的功能?
(A)側環杓肌(lateral cricoarytenoid, LCA)
(B)杓間肌(interarytenoid, IA)
(C)後環杓肌(posterior cricoarytenoid, PCA)
(D)環甲肌(cricothyroid, CT)
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統計: A(3), B(0), C(63), D(2), E(0) #914873
統計: A(3), B(0), C(63), D(2), E(0) #914873