Which Area of the Arm Drains to the Epitrochlear Nodes

Which area of the arm drains to the epitrochlear nodes?

A) Ulnar surface of the forearm and hand, little and ring fingers, and ulnar middle finger
B) Radial surface of the forearm and hand, thumb and index fingers, and radial middle finger
C) Ulnar surface of the forearm and hand; second, third, and fourth fingers
D) Radial surface of the forearm and hand; second, third, and fourth fingers