Step 1: Understanding classificatory affinity.
Classificatory affinity refers to the social classification of relatives, where one term is used to address multiple relatives of different generations or different categories. In many Indian societies, terms like "Bhabhi" (brother’s wife) are used to refer to both the wife of the elder brother and the younger brother, thus reflecting a classificatory relationship rather than a direct biological one.
Step 2: Identifying the correct relationship.
"Bhabhi" is an example of a classificatory relationship, where the term applies to more than one person in the family, depending on the context, rather than specifying a particular individual in a direct consanguineal or affine relation.
Step 3: Conclusion.
The term "Bhabhi" is associated with classificatory affinity.
Final Answer: \[ \boxed{\text{The correct answer is (A) Bhabhi.}} \]