An organization has a SharePoint environment that contains the following three farms:
 Farm1 has a Search service application that is configured to crawl all SharePoint sites in Farm1.
 Farm2 has a Search service application that is configured to crawl all SharePoint sites in Farm2
and Farm3.
 Farm3 does not have a Search service application.
You need to plan for eDiscovery so that you can discover all SharePoint site content in the environment.
Where should you place the eDiscovery Center or Centers?

A.
Farm2 and Farm3

B.
Farm1

C.
Farm2

D.
Farm1 and Farm2