The Answer is C. Constructing
A,C,B
First person is from the eyes of the narrator
Second person uses "you" to include the reader
Third person uses a narrator that is outside of the story or knows more than other characters
In my opinion, I feel that his “I had a dream” speech was for the future generations. Back in his day,there was segregation and black people were treated very wrong. He wanted his speech to touch peoples hearts so in the future,(now) there wouldn’t be what there once was years ago.