This passage gives a general description of the advantages and disadvantages of a hybrid automobile.

A．The changing technology employed by the media.
B．The media's increasing profits in the marketplace.
C．The even tougher regulations of the FCC on the media since 1980.
D．The availability of the media's stocks on stock exchanges.

A．it allows companies to sell their stocks publicly
B．it doesn't allow companies to sell their stocks publicly
C．it permits one company to own more media businesses at the same time
D．it has eliminated all post-1980 companies