The purpose of an introduction in a paragraph is to introduce the subject (of the artical, text,essay,ect...) and grab the reader's attention (on the topic).
D, because after you said though, yu have to complete your comparison
Answer:
good friendship :
Friendships of utility: exist between you and someone who is useful to you in some way. ...
Friendships of pleasure: exist between you and those whose company you enjoy. ...
Friendships of the good: are based on mutual respect and admiration.
bad friendship :
The Toxic Friendship. Friendships go through ups and downs, as any relationship does in life. ...
The Slippery Friendship. We have all had these friends, and maybe you have even been that person sometimes. ...
The Ghost Friendship. ...