Answer: Option C
Explanation: In simple words, relevance refers to the appropriateness and importance of an aspect for a particular situation at a particular point of time.
Target audience refers to that group of individuals for which the offer is intended to attract.
Thus, if one wants to excite the customers with a social media offer then he or she must be fully aware about the audience for which the offer is to be made and the requirements and expectations of such audience.
Hence from the above we can conclude that the correct option is C .