How do you name the step where the request is sent to the manager?

Consider the following scenario:

An employee submits a request to purchase equipment. The request is sent to the manager for review. If approved, the request is forwarded to the Fulfillment department.

How do you name the step where the request is sent to the manager?
A . Manager Approves Request
B . Approve Employee Request
C . Request Approval
D . Review Request

Answer: D