12.下列何肌收縮關閉嘴唇?
(A)降下唇肌(depressor labii inferioris)
(B)顴小肌(zygomaticus minor)
(C)口輪匝肌(orbicularis oris)
(D)提上唇肌(levator labii superioris)
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統計: A(127), B(51), C(1963), D(203), E(0) #2182906
統計: A(127), B(51), C(1963), D(203), E(0) #2182906