D, or the 4th one. It combines the sentences effectively, without overusing words.
Answer:
he was trying to break a fight but made it worse.
Answer:
When cases are super high: remote on Zoom
When cases are decreasing: Extreme social distancing with masks and half the school going one week and the other half remote. Then, the two groups would switch the next week, so the in-person group would go remote and the remote group would go in person.