Advertisements That Appear to Convey No Information at All

Advertisements that appear to convey no information at all

A) are usually associated with "infomercials."
B) are mostly useless to consumers, but valuable to firms.
C) are mostly useless to firms, but valuable to consumers for their entertainment quality alone.
D) may convey information to consumers by providing them with a signal that firms are willing to spend significant amounts of money to advertise.