Oscar,an Advertiser,develops a Commercial for Crispy Crackling Cereal

Oscar,an advertiser,develops a commercial for Crispy Crackling Cereal.Suppose children,processing information via the central route,watch the commercial.In which of the following cases will the commercial be least likely to persuade the kids to want the cereal?

A) if it uses a spokesperson who tells the kids about the cereal and asks whether they want to try it.
B) if it uses a simple,straightforward message that the kids can learn easily
C) if it uses a jingle about the great qualities of the cereal that the children will remember
D) if it uses an attractive spokesperson who appears to enjoy eating the cereal.