The Long Head of the Triceps Brachii Muscle Originates from The

The long head of the triceps brachii muscle originates from the:

A) distal two-thirds of the posterior surface of the humerus.
B) infraglenoid tubercle below the inferior lip of the glenoid fossa of the scapula.
C) supraglenoid tubercle above the superior lip of the glenoid fossa of the scapula.
D) upper half of the posterior surface of the humerus.