Which of the following is NOT true of the biceps brachii muscle?

A)It is innervated by the musculocutaneous nerve.
B)It flexes the elbow, and also supinates the forearm and hand
C)The name of the muscle implies that it has 2 origins.
D)It inserts on the olecranon process of the ulna.
E)All of these are true of the biceps brachii muscle.