Which of the Following Pairs of Characteristics Matter More for the Central

Which of the following pairs of characteristics matter more for the central route to persuasion than the peripheral route?

A) Whether the message is well-conceived, and whether it addresses possible counterarguments from the other side of the issue
B) Whether the message is memorable, and whether it is given by a speaker with an honest reputation
C) Whether the message is given by a speaker with an honest reputation, and whether it is short
D) Whether the message stimulates favorable elaboration, and whether the message elicits cheers from an audience