Using advanced campaign settings, YouTube remarketing, and call-to-action overlays (CTAs) are all tips for optimizing:

 Using advanced campaign settings, YouTube remarketing, and call-to-action overlays (CTAs) are all tips for optimizing:
  A)  video ad campaigns.
  B)  bidding strategies.
  C)  cost-per-view (CPV) bidding strategies.
  D)  TrueView in-display ads.