The formation of ozone hole in the Antarctic region has been a cause of concern. What would be the reason for the formation of this hole?

• A. Presence of prominent tropospheric turbulence; and inflow of chlorofluorocarbon.
• B. Presence of prominent polar front and stratospheric clouds; and inflow of chlorofluorocarbons
• C. Absence of polar front and stratospheric clouds; and inflow of methane and chlorofluorocarbons
• D. Increased temperature at polar region due to global warming