Task: Class Relation Understanding (ontology: Business_Finance/Occupation_Ontology)

Which of the following classes is one valid superclass of 'tax examiner or collector, or revenue agent'?

A. advertising sales agent (broad)
B. EL++ ontology module
C. actuary (broad)
D. tax examiner, collector or preparer, or revenue agent

Answer: tax examiner, collector or preparer, or revenue agent