Question

Which of these is a rhetorical question? A.How much money do you need to start a bank account? B. Why do trees have roots? C. What kinds of trees have red leaves? D.Does money grow on trees?

Answer 1

I'd say D, everyone knows that money doesn't grow on trees.

Answer 2

D, for sure.
'Does money grow on trees?' is a popular rhetorical question that's used quite a lot