Which Individual Is Processing an Argument on the Central Route

Which individual is processing an argument on the central route of persuasion?

A) Dave, a builder and a sport fisherman, listens to a politician talk about development around a local lake, and applies his experience and knowledge to what's being said about the issue.
B) Lucy watches an infomercial on TV while cooking dinner and cleaning the kitchen, and is persuaded to order the product by the upbeat music.
C) Mika listens to a talk radio debate on space exploration, a topic about which she knows next to nothing.
D) Falco overhears an argument between two young women on the subway but mainly pays attention to what the more attractive woman is saying.