Thomas Is Working with Anne to Customize Their Google AdWords

Thomas is working with Anne to customize their Google AdWords ad. Anne wants to make certain that her ads rotate rather than show the same ads over and over. How can Anne ensure that her ads will rotate when they're displayed?

A) Anne should choose the Optimize option in the Advance settings section of her campaign's Settings tab.
B) Anne should choose the Rotate option in the Advance settings section of her campaign's
C) Anne should choose the Swivel option in the Advance settings section of her campaign's
D) Anne should choose the Optimize option in the Serving settings section of her campaign's