Which of the Following Statements Is True About Switch-And-Bait Advertising

Which of the following statements is True about switch-and-bait advertising?

A) It is a type of fraud that is carried out by amateur thieves who embezzle huge sums of money from their customers.
B) It is the most common form of telemarketing fraud.
C) It involves offering a consumer an inferior product at a higher price as a substitute for a product that is out of stock.
D) It enables a consumer to buy products at a price below their original selling price.