You create a custom workflow by using Microsoft Visual Studio 2010.

You need to specify a custom InfoPath workflow initiation form in the workflow element manifest file.

Which attribute should you configure?

A.
Association_FormURN

B.
Instantiation_FieldML

C.
Instantiation_FormURN

D.
InstantiationUrl

Explanation:
MNEMONIC RULE: “initiation form = Instantiation_FormURN”

Specifies the URN of the Microsoft InfoPath 2010 form to use to initiate the workflow.

Instantiation_FormURN Element (Workflow) – ECM
http://msdn.microsoft.com/en-us/library/aa672715.aspx