You create a Web site that stores users' active themes in user profile objects. You need to apply users' preferred themes when they log on to the Web site. What should you do? （）

• A、In the InitComplete event handler, set the Theme property of the Page object based on the user profile.
• B、In the PreLoad event handler, set the Theme property of the Page object based on the user profile.
• C、In the OnLoad event handler, set the Theme property of the Page object based on the user profile.
• D、In the PreInit event handler, set the Theme property of the Page object based on the user profile.