Option A (Sternoclavicular Joint), also know as Sternoclavicular atriculation is the joint found within the shoulder between the manubrium of the sternum and clavicle bone.
Option B (Glenohumeral Joint) , this a major shoulder joint, connecting the upper limb to the trunk of the body, its a ball and socket joint between the scapula and humerus.
Option C ( Acromioclavicular Joint), this a joint in the shoulder where two joints meet, the first bone is the scapula and second is collarbone, the scapula is the big one that still connects to the other part of the shoulder joint.
