What happens to these add-ons?

Universal Containers (UC) wants to allow its developers to only use certain add-ons. UC enables Add-on Controls for Enterprise Teams and adds the add-ons they wish to allow to the list. There is an existing set of add-ons attached to applications, which are NOT on the list.

What happens to these add-ons?
A . They are deleted, and all data is backed up and saved.
B . They are added to the allowed add-ons list.
C . They are added to the exception list and not affected.
D . They are flagged for removal, and the developers are notified.

Answer: C

Explanation:

https://devcenter.heroku.com/articles/addon-controls