Answer:
The correct answer is D) that's-not-all.
Explanation:
When watching an infomercial offering the latest and greatest in laundry soap products the pitchman continually asks how much you’d be willing to pay, but immediately after telling you the price he yells, “plus, if you act now, we’ll double your order absolutely free!” This is a classic example of the that's-not-all technique.
In other words, The "that's-not-all" technique is used by marketers to catch the undecided customers, the customers that don't know if they should buy a product or not.