You have an administrator-approved InfoPath form template that was created by using Microsoft InfoPath Designer 2010.

You upload the form template to InfoPath Forms Services.

You need to make the form template available to a site collection.

What should you do first?

A.
Create a new content type in the site collection.

B.
Create a data connection library in the root site.

C.
From the form template’s context menu, select Quiesce Form Template.

D.
From the form template’s context menu, select Activate to a Site Collection.

Explanation:
BURGOS MNEMO: "Activate to a Site Collection"

Manage administrator-approved form templates (SharePoint Server 2010)
http://technet.microsoft.com/en-us/library/cc262921.aspx