You share your portable computer with a co-worker. You use separate user accounts to log on. A wireless network is available to you and your co-worker.  You need to prevent your co-worker from modifying your wireless network profile.  What should you do？（）

• A、Disable the Connect even if the network is not broadcasting option.
• B、In the Network and Sharing Center window， click the Diagnose and repair option.
• C、Set the default wireless profile type to the Use all-users only profile （recommended） option. Recreate the wireless network.
• D、Set the default wireless profile type to the Use all-users and per-user profiles option. Recreate the wireless network by using the Save this network for me only option.