Task: Property Constraint Reasoning (ontology: Business_Finance/Financial_Industry_Business_Ontology)

The property 'has last coupon payment date' applies to instances of 'coupon payment terms', and 'variable coupon terms' is a subclass of 'coupon payment terms'. Which class can appear as the value of 'has last coupon payment date' for instances of 'variable coupon terms'?

A. redemption schedule
B. bond with warrant
C. municipal debt funds usage
D. explicit date

Answer: explicit date