The simple predicate in the following sentence is B. Finished.
This is because it is the only verb of all the possible answers.
Mercutio's ignorance of Romeo's new love, although potentially comical, propels him to the fatal fight with Tybalt in Act III, Scene 1. Mercutio's death enables Shakespeare to develop him as a tragic figure and alter the trajectory of the play from a comic to a tragic course. hope this helped a bit