You are creating a custom workflow action that will be used in Microsoft SharePoint Designer reusable workflows.

The action will programmatically create a SharePoint site named Site1 at a specific URL.

You need to ensure that users can specify the URL of Site1 in the action.

What should you use?

A.
the DependencyProperty class

B.
the OnWorkflowActivated.WorkflowProperties property

C.
the SPPersistedObject class

D.
the SPWorkflowActivationProperties.InitiationData property

Explanation:
MNEMONIC RULE: “specify DependencyProperty”

Using Dependency Properties
http://msdn.microsoft.com/en-us/library/ms734499(v=vs.90).aspx