79 下列何種踝足裝具(ankle-foot orthoses)主要功用在於減輕脛骨腓骨及足部的承重?
(A)前底反作用足踝支架(Anterior Floor Reaction ankle-foot orthoses)
(B)髕骨韌帶承重式足踝支架(Patellar Tendon-Bearing ankle-foot orthoses)
(C)後葉彈簧式足踝支架(Posterior Leaf Spring ankle-foot orthoses)
(D)關節式足踝支架(Articulating ankle-foot orthoses)