Question: in a supertype subtype hierachy.each subtype has Management System - In a supertype/subtype hierarchy, each subtype has Select one: O a. Only one supertype O

in a supertype subtype hierachy.each subtype has

Management System - In a supertype/subtype hierarchy, each subtype has Select one: O a. Only one supertype O b. At least one subtype O c. Many supertypes O d. At most two supertypes

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