How could the marketer accomplish this?

A marketer wants to create different Pardot lists to correspond with the different stages of the buying cycle. When an Opportunity stage changes in Salesforce. the prospect list membership automatically updates to reflect that m Pardot. example, if an opportunity moves from Negotiations to Closed Won, the prospects associated with that opportunity. Should be removed from the Negotiations list, and added to the Closed won list.

How could the marketer accomplish this?
A . Completion Action
B . Page Action
C . Automation Rule
D . Dynamic List

Answer: D