(A) Ad paused
(B) Pending editorial review
If your ad violates the Microsoft Advertising policies then it gets a Disapproved Delivery Status. Your ad can violate their policies due to many reasons. Check this webpage to find out Microsoft’s ad policies.
This question is a part of the Bing Accreditation Exam and the Microsoft Advertising Certified Professional exam. You can find all the answers with full explanation for both exams in our Bing Accreditation Exam Answers page and Microsoft Advertising Certified Professional Exam Answers page.