Answer is D, "How are fast-food restaurants adding healthy choices to their menus?"
Explanation:
This is because if they are wanting to be able to learn more about the idea of what fast food restaurants are doing to be able to incorporate healthy options on their menu, then them being able to know how these restaurants are adding healthier meals would be a good contributor to their research.
People should wear masks to prevent themselves from getting or contracting the virus and they should also wear a mask to go get the people that they’re around from getting the virus or contracting it
