(A) Opt-in, opt-out, and neutral
(B) Neutral, opt-in, and confirmed opt-in
(C) Opt-out, opt-in, and GDPR opt-out
(D) There are only two.
This question is a part of the HubSpot Email Marketing Certification Exam. You can find answers to all the questions asked in this exam in our HubSpot Email Marketing Certification Exam Answers page.