Answer :
Which element of the plot of The Tragedy of Romeo and Juliet is best illustrated by Scene 1, Act 3?
B. the feud between the Capulets and the Montagues
Explanation:
The enmity, or long-standing feud, between the Capulets and the Montagues complicates Romeo's brand new marriage in Act 3, scene 1 of Romeo and Juliet. He tries to keep the peace because Tybalt, a Capulet, is now related to him through marriage, but after Tybalt kills Mercutio, he feels a great feeling of vengeance.