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