7.下列何者的收縮不會使舌頭後移(retrusion of tongue)？
(A)上縱肌(superior longitudinal muscle)
(B)下縱肌(inferior longitudinal muscle)
(C)舌骨舌肌(hyoglossus muscle)
(D)頦舌肌(genioglossus muscle)

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統計： A(0), B(0), C(0), D(1), E(0) #3975886