I would say (C) Please because right before the "suit" statement it said he loved the color blue and love is a type of emotion as well as being pleased.
A clause because a clause needs a subject and a verb in this sentence Buffalo is the subject and roam is the verb.
I think informal? Family members commonly use slang :)
B either or judgement, the person is stating that anyone who is not with them is against him therefor making it an either or statement
B. By revealing just enough information to make the audience curious
