25.手掌的蚓狀肌(lumbrical)附著於下列何者的肌腱上? (A)屈指深肌(flexor digitorum profundus) (B)屈指淺肌(flexor digitorum superficialis) (C)伸拇長肌(extensor pollicis longus) (D)伸拇短肌(extensor pollicis brevis)