What Is Aristotle's Argument in I

Multiple Choice

What is Aristotle's argument in I.7 for the claim that the function of human beings is "activity of the soul in accord with reason"?

A) Each profession has a function and every part of the body has a function. Thus, it stands to reason that a human being has a function.
B) Just as the function of a harpist is to play the harp, the function of a human being is activity in accord with the part of the soul that has reason or obeys reason.
C) Fulfilling the function of a human being well is what makes a human being excellent. Virtue is what makes a human being excellent, and virtue involves activity in accord with reason. Therefore, the function of a human being is activity in accord with reason.
D) The function of human beings cannot be mere survival, since even plants do that. Nor can it be mere sense perception, since even animals have perception. Therefore, it must be acting in accord with reason.