Which of the Following Is Motivated by an Equity Concern

Which of the following is motivated by an equity concern?

A) Some provinces and municipalities have transferred funds to food bank programs in order to increase benefits to lower-income families.
B) Following the implementation of subsidies for energy conservation, household demand for rooftop solar panels increased quite significantly in BC.
C) Some provinces allow automotive insurance companies to charge men and women different rates for insurance.
D) Canada offers patent protection to pharmaceutical manufacturers to prevent others from duplicating their products.