There are two bones that form the pectoral girdle and they are: scapula and clavicle.
The bones that form the axial skeleton consists of the bones of the head, trunk and vertebrate. For example sternum, ribcage, skull bones...
In those options the only possible choice is: clavicle articulates with the xiphoid process. Clavicle from the pectoral girdle articulates with a part of the sternum(a axial bone).
