Question

1. They are eating cotton candy.
2. They are eating cotton candies.
3. They are eating a cotton candy.
4. The boy is eating two cotton
candies.

(Which one is correct?)

Answer 1

Only 1 is correct.

Here's a photo of a girl eating cotton candy.

http://www.mikesbaby.com/images/year3/cotton-candy.jpg

Answer 2

it is b