Task: Inferred Instance Class Reasoning (ontology: Business_Finance/Financial_Industry_Business_Ontology)

After reasoning over the ontology, which class is one valid inferred class for the instance 'Alphabet Inc. class A common stock'? Context: common share class that represents class A series shares in Alphabet Inc.

A. listed security
B. investor contract
C. sale
D. promissory note

Answer: listed security