Answer:c) be sincere and make it a true apology
Explanation:
Negative message is a message that carries and passes unpleasant information to others and it is very likely to result or evoke feelings of disappointment,upset and anger to the receiver. This message is usually unexpected so it may come as a shock to the receive and totally unacceptable.
Since it builds up these negative emotions it is good that if one wants to rectify that message or their role in conveying such a message they need to be sincere about it so that the affected person can be able to consider the apology.