• Responsive ads
• Image ads
• Lightbox ads
• TrueView ads

The correct answer is: TrueView ads

Explanation: Lightbox ads let users engage with a tap that expands to show rich media content such as videos, games, images, maps, or shopping experiences. Build your lightbox once and it runs on every screen and every placement. Lightbox ads are compatible with all targeting methods offered on the Display Network.
Read more here:

• Open>> https://academy.exceedlms.com
• Course: AdWords Display Certification
• Topic: Choose the most beneficial ad formats