Which Statement Concerning Chlorofluorocarbons (CFCs)is Not True

Which statement concerning chlorofluorocarbons (CFCs) is not true?

A) CFCs are simple halogen-containing compounds having the general molecular formula CF_xCl_{4 - x}.
B) CFCs are manufactured under the trade name Freons.
C) CFCs are inert and nontoxic.
D) CFCs are currently used as refrigerants,solvents,and aerosol propellants in the United States.
E) CFCs are decomposed by sunlight,forming highly reactive intermediates that have been shown to destroy the ozone layer.