Task: Class Definition Understanding (ontology: Sciences/Biology)

Which of the following definitions best describes 'ceramide metabolic process'?

A. The chemical reactions and pathways involving glycosphingolipids, any compound with residues of sphingoid and at least one monosaccharide.
B. The chemical reactions and pathways involving ceramides, any N-acylated sphingoid.
C. The generation of a mature peptide hormone by posttranslational processing of a prohormone.
D. The chemical reactions and pathways involving glycosylceramides, any compound formed by the replacement of the glycosidic hydroxyl group of a cyclic form of a monosaccharide (or derivative) by a ceramide group.

Answer: The chemical reactions and pathways involving ceramides, any N-acylated sphingoid.