The question you should not ask is: C. Does my job require me to serve this person?
Communication can be defined as a form of interaction between two people or between two or more people.
When you are communicating with a customer while the customer speaking you should not ask the customers if your job require you to serve the customer.
Therefore the correct option is C.
Learn more about communication here:https://brainly.com/question/26152499
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