Answer:
D. a comma
Explanation:
Mr. Freeman asked the students to calm down, pay attention, and take their seats.
Answer:
Environmental distractions.
Marcus seems to be between stages of identity development, according to this passage. For most of the passage, Marcus is in the stage of Identity Moratorium, as he is thinking about his views and opinions and what to do about them, since they are in conflict with Mr. Benson's, and may get him expelled. He considers speaking out, but also considers apologizing. Ultimately, Marcus ends the passage in the stage of Identity Achievement, because he determines, after weighing out his options, that his own values are what matter most to him.