If an advertiser has the same keyword in two different ad groups, the one to win a given auction will be the keyword with the:

If an advertiser has the same keyword in two different ad groups, the one to win a given auction will be the keyword with the:

A) highest Ad Rank.
B) best Quality Score.
C) highest maximum cost-per-click (CPC) bid.
D) most historical data in the account.

Answer: B