Three of the following pairs of the human skeletal parts are correctly matched with their respective inclusive skeletal category and one pair is not matched. Identify the non-matching pair
A. `{:("Pairs of skeletal parts", "Category"),("Humerus and ulna", "Appendicular skeleton"):}`
B. `{:("Pairs of skeletal parts", "Category"),("Malleus and stapes", "Ear ossicles"):}`
C. `{:("Pairs of skeletal parts", "Category"),("Sternum and Ribs", "Axial skeleton"):}`
D. `{:("Pairs of skeletal parts", "Category"),("Clavicle and Glenoid cavity", "Pelvic girdle"):}`