Answer:
Friend 1:
I don't think that the people at my new school will like me.
Friend 2:
Don't sweat it, just have courage and be confident in yourself, you are a great person and you already give people a reason to like you.
Son:
Mom, I don't know if I should try out for the basketball team. All of the guys are bigger than me.
Mother:
Have courage, son, I think you should go for it. You practice every day. I believe you are skilled and are determined to get better.
Your first option, "I have taken all the stress I can stand.", is a line of dialogue.
Dialogue is speaking/talking. The second and last options cannot be examples of dialogue because they are not being spoken (you can tell by the lack of quotation marks).The third option is also incorrect because it is what is written, as it says "the study reported" (the study does not speak). Therefore, the first option is correct.
Im confused on your question
In his most famous and eloquent dissent, Harlan held that “our Constitution is color-blind,” that “in this country there is no superior, dominant ruling class of citizens,” and that it is wrong to allow the states to “regulate the enjoyment of citizens' civil rights solely on the basis of race.
Hoped this worked :)