You work as the enterprise exchange administrator at TestKing.com. TestKing.com makes use of Microsoft Exchange Server messaging solution. The TestKing.com network consists of a single Active Directory domain named testking.com. TestKing.com is configured to run in an Exchange Server 2010 environment. You have received instructions from the CIO to deploy a public access solution. To accomplish this task you need to ensure that the admin department is able to send e-mail messages to public folders as well as prohibiting themfrom using Outlook Web App （OWA） to read any document in the public folders. What should you do？（）

A. This can be achieved by using OWA segmenttation and Send As permissions.
B. This can be achieved by using using mail-enabled public folders and Editor permissions.
C. This can be achieved by using using mail-enabled public folders and Contributor permissions.
D. This can be achieved by using OWA segmentation and Reviewer permissions.