Which of the Following Statements Is True of the Glenohumeral

Which of the following statements is true of the glenohumeral joint?

A) It is extremely weak because it is surrounded by a tight, unsupported capsule.
B) It is not a true joint and is stabilized by the scapula.
C) It is an ellipsoidal joint that is the only direct connection between the upper extremity and the trunk.
D) It is a gliding articulation of the lateral end of the clavicle with the acromion process.
E) It is an enarthrodial joint in which the round head of the humerus articulates with the shallow glenoid cavity of the scapula.