What is the relationship of a turbine and a generator?

A.
A turbine provides energy from high winds to the generator. The generator transforms this energy from the high winds into electrical energy.

B.
A turbine provides chemical energy to the generator. The generator transforms this chemical energy into electrical energy.

C.
A turbine provides hydropower to the generator. The generator transforms this hydropower into electrical energy.

D.
A turbine provides mechanical energy to the generator. The generator transforms this mechanical energy into electrical energy.