Task: Instance Class Understanding (ontology: Business_Finance/Financial_Industry_Business_Ontology)

Which of the following classes does 'NYSE Arca Holdings' belong to as one valid explicit type? Context: NYSE Group holding company and financial service provider that operates three listings exchanges, NYSE, NYSE American and NYSE Arca, each of which has a unique market model designed for corporate and ETF issuers, as well as NYSE National, which is a trading venue but not a listings market

A. underwriter
B. national government
C. holding company
D. merchant

Answer: holding company