Which of the below refers to the message order as a context that fosters influence?

A) Once people have decided something, they can be remarkably persistent in their beliefs
B) People often behave in certain ways because everyone else is doing so
C) When things are less available, they will have more influence
D) Important points should be made early exposing the receiver to the primacy effect
E) Exchange relies on resources as the power base: "If I do X for you, will you do Y for me?"