Julian wants to reach potential customers based on the type of device they're using, but he doesn't know how his campaign performs on different devices. How can Julian find meaningful data that will help him decide which devices to target?

148) Julian wants to reach potential customers based on the type of device they're using, but he doesn't know how his campaign performs on different devices. How can Julian find meaningful data that will help him decide which devices to target?

   A)  Create multiple ad groups that target different devices, and monitor the results
   B)  Set up an experiment to test which device he should target
   C)  Create multiple campaigns that target different devices, and monitor the results

   D)  Segment his campaign statistics table by device