(A) Ad Review Center
(B) EU User Consent
(C) App Install Ads
You can use the EU User Consent control to ensure you are compliant with the General Data Protection Regulation (GDPR) requirements.
This question is from the Check your Knowledge section of the “Implement ad blocking for your account” lesson from the “Protect Users and Advertisers on AdMob” unit which is a part of the Get Started with Google AdMob course.