5.下列何者最難以透過體表觸摸(surface palpation)的方式,觸摸到該構造? (A)頸靜脈切迹(jugular notch) (B)坐骨粗隆(ischial tuberosity) (C)脛骨粗隆(tibial tuberosity) (D)坐骨棘(ischial spine)