Answer: At first, the Nurse supports the romance between Romeo and Juliet. She acts as a messenger, encourages the secret marriage, and even helps Romeo secretly enter Juliet's bedchamber. Later, however, the Nurse turns her position and encourages Juliet to abandon Romeo.
Explanation:
Even though you didn't give us the fragment with the comma slice, it isn't really necessary here as we can answer just based on these 4 options here. All options apart from the second one are correct - only the second option doesn't fix the mistake of the comma splice, whereas the other options do but connecting the sentences properly.
Answer:
ok, que genial y cuál es la comedia....
The answer is b, the students used their power to harm others