Task: Inferred Class Relation Reasoning (ontology: Sciences/Biology)

After reasoning, which of the following classes is one valid superclass of 'oxidoreductase activity, acting on other nitrogenous compounds as donors, oxygen as acceptor'?

A. obsolete multi-organism localization
B. obsolete plastid PEP-A RNA polymerase activity
C. catechol 1,2-dioxygenase activity
D. catalytic activity

Answer: catalytic activity