The formation of ozone holes in the Antarctic Region has been a cause of concern. What could be the reason for the formation of this hole

(a)

Presence of prominent tropospheric turbulence; and inflow of chlorofluorocarbons

(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