You work as the enterprise exchange administrator at Company.com.The Company.com network consists of a single Active Directory domain named Company.com.Company.com has an Exchange Server 2010 organization.A new Company.com policy prohibits the users from changing their password by using Outlook Web App （OWA）.However， they can use Windows to change their passwords.What should you do？（）

• A、The best option is to configure the settings on the Segmentation tab， in the properties of the OWA virtual directory so that the users comply with the Company.com policy.
• B、The best option is to configure the settings on the Account tab， in the properties of the user accounts so that the users comply with the Company.com policy.
• C、The best option is to configure the settings on the Mailbox Features tab， in the properties of the mailboxes so that the users comply with the Company.com policy.
• D、The best option is to configure the settings on the Authentication tab， in the properties of the OWA virtual directory so that the users comply with the Company.com policy.