(B) In-Market Audiences
(C) LinkedIn Profile Targeting
(D) All countries
Remarketing helps you target those customers who have already visited your website. You can find out various data about them like the keywords they used, the ads they clicked, the time they spent on your site, the pages they visited on your site. You can use this data to find the ideal audience for you and you can remarket to that audience.
In-Market audiences are a curated list of people provided by Microsoft Advertising who have shown a past history of purchasing signals and ad clicks as well as page views on Microsoft services. This helps you to serve better ads to them because they have shown previous signs of buying.
LinkedIn profile targeting can be used to target a specific audience based on Company such as Microsoft, Google, etc. Job profile such as Sales, Accounting, etc. and Industry such as Finance, Law Enforcement. You can use this data to serve better ads to them.
This question is a part of the Microsoft Advertising Certified Professional exam. You can find all the answers with detailed explanation for this exam in the Microsoft Advertising Certified Professional exam page.