Answer: A. Advice from a guidance counselor.
Explanation: feedback is the receiver's response to the sender's message. Without feedback, two way communication is either ineffective or incomplete. From the given options, the one that represents and example of a feedback message is the corresponding to option A: advice from a guidance counselor, because it is a response of the receiver (the counselor) to a message expressed by the sender (the person that went to the counselor for advice).
