Answer: The correct answer is A. When heuristic processing is involved, the degree of persuasion is increased by strong arguments in the message.
Step-by-step explanation: Heuristic processing is a way in which people process information received from others. While using heuristic processing the person minimizes his cognitive resources which in turn affects the intake of the information he/she receives thus making him/her more prone to be persuaded if the characteristic of the message permit so.
In other words, Heuristic limits detailed information evaluation of the messages the person is recieving and focus more on how persuasive or strong the arguments of the message sound.
In conclusion, the answer is A.