What Is the Difference Between Uniform Pricing and Price Discrimination

What is the difference between uniform pricing and price discrimination?

A) Uniform pricing and price discrimination are the same.
B) With uniform pricing firms charge different prices for the same good or service and with price discrimination firms charge the same price for the same good or service.
C) With uniform pricing firms charge the same price for the same good or service and with price discrimination the firms charge different prices for the same good or service.
D) The uniform price is always higher than the discriminated price.