An advertiser enabled Conversion Optimizer and noticed a decrease in the number of conversions. What could have caused this decrease to occur?
- A) The cost-per-click (CPC) bid was lower than the recommended amount.
- B) The specific Conversion Optimizer code snippet was not added to the site.
- C) The maximum cost-per-acquisition (CPA) bid was lower than the recommended amount.
- D) The ads in the campaign are waiting to be approved.
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