The answer would be both
Examples
“Both of you need to clean.”
“Can you get both of them”
Question 2: We might use flying cars one day
Question 3: My family and I probably won’t go to Florida next year
Question 4: people might live in space one day
Question 5: We won’t be able to travel next year. We can’t afford it
I believe the answer would be C because that just doesn't make any sense
