Final answer:
The type of buyer who is likely to put up a struggle and has a strong desire to debate with you could be referred to as a stubborn buyer. The correct option is d.
Step-by-step explanation:
The type of buyer who is likely to put up a struggle and has a strong desire to debate with you could be referred to as a stubborn buyer.
However, since the question provided seems to conflate a marketing concept with elements from a psychology concept, the context seems to be about persuasion routes.
As for the central route to persuasion to be effective, the audience needs to have certain characteristics.
The correct answer to the provided question about the central route to persuasion is that the audience must be analytical and motivated to process the message deeply and be swayed by the strength of the arguments. The correct option is d.