What Counts As A View-Through Conversion In A TrueView For Action Campaign?

Q. What Counts As A View-Through Conversion In A TrueView For Action Campaign?

A. User clicks on an element of the ad and converts within 24 hours

B. User sees just an impression of the ad and converts within three days

C. User sees just an impression of the ad and converts within 24 hours

D. User clicks on an element of the ad and converts within three days

Correct Answer Is:

C. User sees just an impression of the ad and converts within 24 hours