On the Question of Intentionality in Persuasion, What Is the Position

On the question of intentionality in persuasion, what is the position of the authors?

A) Persuasion cannot occur without intending to persuade someone else.
B) Persuasion is never intentional.
C) Intentionality has no role at all in social influence attempts.
D) Sometimes we persuade other people even when we didn't intend to.
E) All of the above.