Final answer:
The concept of Zero-Speed Takeovers in digital advertising is explained, and the correct waiting time for prompting action is identified.
Step-by-step explanation:
The subject of the question is Computers and Technology. The question pertains to the concept of Zero-Speed Takeovers, which are used to prompt action and engagement when a user is stopped and waiting for a certain amount of time before showing an ad.
The correct answer is A. 5 seconds. Zero-Speed Takeovers typically prompt action and engagement after a user has been stopped for 5 seconds. This strategy is used in digital advertising to capture the user's attention during idle moments.