The structures perforating the diaphragm are （）.

A．arises from the lateral side of dorsal venous rete of hand
B．runs along the lateral side of the biceps brachi
C．accompany the radial artery
D．receives the superficial veins of the hand and the medial side of the forearm
E．drain into the axillary vein

A．tibialis posterior
B．extensor hallucis longus
C．posterior tibial artery
D．tibial nerve
E．flexor digitirum longus