The answer is, <span>He knows the men aren't strong enough to open the door. I know that for a fact its the right one lol.</span>
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.
C. Some
because some is the word that is showing private schools are different than public schools.
