The answer is b
Hope this helps
I believe the answer is C. Hope this helps.
To refer back to something. For instance, if you forgot something or a memory.
Answer: A. Attribution (CC BY)
Explanation: because it allows the user to do whatever they like, but they have to give credit to the author of the product in order to use it.
D. IVAN WANTED TO BE ALONE SO HE COULD DESPOSE OF THE NOSE