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 'Dow Jones Industrial Average basket - Apple Inc. common stock date added'? Context: individual representing the date that Apple Inc. common stock was initially added to the DJIA, replacing AT&T Inc.

A. date
B. date time stamp
C. time of day
D. date time

Answer: date