What is the major city of the following provinces?
a) Pretoria, Kimberley, Mafikeng, Nelspruit, Polokwane, Durban, Johannesburg, Bloemfontein, East London.
b) Cape Town, Kimberley, Mafikeng, Nelspruit, Polokwane, Durban, Johannesburg, Bloemfontein, East London.
c) Cape Town, Kimberley, Mafikeng, Mbombela, Polokwane, Durban, Pretoria, Bloemfontein, East London.
d) Cape Town, Kimberley, Mahikeng, Nelspruit, Polokwane, Durban, Pretoria, Bloemfontein, East London.
