The FTC controls on product comparisons: a. have changed dramatically with private enforcement. b. are very stringent. c. no longer exist. d. are a high regulatory priority.

The correct option is A, The FTC controls on product comparisons have changed dramatically with private enforcement.

Explanation:

FTC is an acronym for Federal Trade Commission, which is a stand-alone U. S government agency saddled with the responsibility to ensure consumers are protected from suffering sharp practices in day to day transactions.

The FTC is to ensure competitiveness among manufacturers of products so as to guard against one of them becoming domineering, hence charging prices beyond reasonable levels.