(A) Users who viewed a homepage
(B) Users who viewed a search result page on a website
(C) Users who viewed product-detail pages
(D) Users who returned an item that they purchased
You cannot create a Dynamic Remarketing Audience for users who returned an item that they purchased because they already bought your product and they returned it because they are most likely not interested in your product. You can create Dynamic Remarketing Audience for Users who viewed your homepage, users who view your search results pages, users who view your product detail pages, users who abandoned their shopping carts without ordering on your website and users who have previously bought something but not returned your product.
This question is a part of the Google Analytics Individual Qualification. You can get all the answers with detailed explanation for this exam in our Google Analytics Individual Qualification Exam Answers page.