Which of the Following Is True About HD Radio

Multiple Choice

Which of the following is true about HD radio?

A) It allows a radio station to broadcast several different formats simultaneously on the same frequency it already uses.
B) It is the same thing as satellite radio.
C) It has been exploding in popularity, and consumer demand is outstripping the ability of radio stations to keep up.
D) HD radio is an analog technology.
E) It was developed in the 1950s but kept from the public for decades by business owners.