The constitutions of superficial palmar arch are
A.
the terminal part of the ulnar artery and the terminal part of the radial artery
B.
the terminal part of the radial artery and the superficial palmar branch of the ulnar artery
C.
the terminal part of the radial artery and the deep palmar branch of the ulnar artery
D.
the terminal part of the ulnar artery and the superficial palmar branch of the radial artery
E.
the superficial palmar branch of the ulnar artery and the superficial palmar branch of the radial artery