Collective noun usually refers to a group of people. most times you see it, it'll be followed by a singular verb or plural verb as well.
D.
The sisters both had complementary requirements of the orange and both of their purposes could have been fulfilled in a more complete manner if they had explained themselves and listened to one another.
You are your freind is absolutely right
The answer that best fits the question is;
D: Argumentation is based on logic while persuasive writing using emotion.
