I think she is making speculation due to the sadden change of behavior.
The answer to the question "Which of the following sentences most clearly expresses an opinion?" is B.
This practice is divisive, it is unfair, it is archaic.
The word unfair is a key word to knowing that is in opinion, because there is no factual evidence to tell you that it is fair or unfair. Opinions can be backed by facts, but can not be proven.
Answer:
Juliet feels conflicted because her love for Romeo clashes with her love and sense of duty to Tybalt, her cousin. Juliet expresses her conflicting emotions for Romeo using oxymoronic language: "Beautiful tyrant, fiend angelical."
I think it means you judge people without even allowing them to say anything.