19. The three- or four-digit security code on the back of a credit card (CVN2) was introduced to prevent a fraudster from using (BLJ, pp. 78; Kindle, 1494-1510) (Ch. 5, Enabling Technology and Standards-The Physical Card) A. a stolen credit card number to make a purchase over the Internet or telephone B. information on a stolen paper credit card receipt to make a counterfeit credit card C. a stolen credit card to make a purchase at a brick-and-mortar store D. a stolen credit card to make a purchase over the Internet or telephone