Answer:
b. central, peripheral
Step-by-step explanation:
Central route of the persuasion occurs when people are persuaded by the core content of the message. This route of persuasion tend to relied on the logical's side rather than the emotional side. (which is why the first ad highlight safety and gas mileage)
The peripheral route of persuasion occurs when people are persuaded by any other things beside the content of the message. This include the emotional feelings that they felt, physical attractiveness, personal experience, etc. (which is why the second ad highlight how fun it is to drive the car)