Answer: D. Develop a skills repertoire.
Explanation:
Currently, due to globalization, cultural exchange is more common in different social spheres, such as work or academic centers. It is very important to maintain intercultural communication allows each person to feel accepted and include, and that does not discriminate for cultural aspects.
In this case, developing a repertoire of skills is unethical in interpersonal communication because it would separate people according to what they can and cannot do, and this can be discriminatory.
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