Answer: D) A song that uses a traditional Christmas melody but the lyrics poke fun at the commercialism of the holiday.
Explanation: The term Horatian satire is named after the Roman satirist Horace who gently ridiculed the dominant opinions and beliefs of Ancient Rome and Greece with humor and clever mockery. From the given options, the one that is an example of a Horatian satire is the corresponding to option D, because it intends to ridicule one of the absurdities of the human beings (the commercialism of the holiday) in a fun way, without creating anger.