Which one is it (it’s multiple choice too) a. gases have a definite volume and a definite mass.

b. gases hold the shape of their container and feel firm to touch.

c. gases spread out most and take up any available space.

d. gases do not spread out and they do not take up space.

this is a question from my edpuzzle any help will do <3

(the subject is science but since that’s not an option chemistry is the closest)