Conversion Optimizer can help drive conversions by using your conversion history and:

165) Conversion Optimizer can help drive conversions by using your conversion history and:

   A)  cost-per-acquisition (CPA) goals to show the optimal ad when a conversion is more likely
   B)  cost-per-click (CPC) goals to show the optimal ad when a conversion is more likely
   C)  cost-per-acquisition (CPA) goals to raise your bid when a conversion is more likely

   D)  cost-per-click (CPC) goals to raise your bid when a conversion is more likely