Task: Property Constraint Reasoning (ontology: Sciences/Computer_Science)

The property 'uses platform' applies to instances of 'software', and 'XDotsReader' is a subclass of 'software'. Which class can appear as the value of 'uses platform' for instances of 'XDotsReader'?

A. C
B. .class file
C. Scheme
D. operating system

Answer: operating system