You administer a Forefront Identity Management (FIM) 2010 server in your company network. You have two managers named User1 and User2. You need to configure the approval activity for a new workflow according to the following requirements: Both managers must approve independently. User2 must receive the approval request immediately after User1 has completed her approval. What should you do?

A.
Create two separate activities. Add User1 and User2 to the Approvers list of both activities.

B.
Create two separate activities. Add User1 to the Approvers list of the first activity. Add User2 to the Approvers list of the second activity.

C.
Create a single activity. Add User1 to the Approvers list. Add User2 to the Escalated Approvers list.

D.
Create a single activity. Add User1 and User2 to the Approvers list. Set the value of the Approval Threshold to 2.