14.隔緣肉柱(septomarginal trabecula)連接心臟心室間隔(interventricular septum)與下列何者?
(A)左心室前乳頭肌(anterior papillary muscle of left ventricle)
(B)左心室後乳頭肌(posterior papillary muscle of left ventricle)
(C)右心室後乳頭肌(posterior papillary muscle of right ventricle)
(D)右心室前乳頭肌(anterior papillary muscle of right ventricle)