Which requirements must be met before you can use custom offline bidding? Note: there are 3 correct answers to this question.

Which requirements must be met before you can use custom offline bidding? Note: there are 3 correct answers to this question.
A . Notifications will need to be enabled
B . Content items must be set for offline responses
C . Alternative responses must be enabled
D . The template must be published and set to allow offline responses
E . The event must have bidding rules enabled for offline responses

Answer: B,D,E