You have a Windows Mobile 6.5 device. You connect the Windows Mobile device through a USB cable to a portable computer that runs Windows Vista and the Windows Mobile Device Center (WMDC). When the Windows Mobile device is connected to the WMDC and the portable computer is not connected to a network, the Windows Mobile device is unable to send or receive e-mail messages. You need to ensure that the Windows Mobile device can send and receive e-mail messages while it is connected to the offline portable computer. What should you do?

A.
On the ActiveSync screen on the Windows Mobile device, click the Sync softkey.

B.
On the ActiveSync Connections screen on the Windows Mobile device, click USB in the Synchronize all PCs using this connection list.

C.
In the WMDC Connection Settings window, click The Internet in the This computer is connected to list.

D.
In the WMDC Connection Settings window, select the Allow data connections on device when connected to PC check box.