You are designing a Windows Phone 7 application. A beta tester has changed the theme on the phone and now cannot see the text on the pages in the application. You need to recommend modifications so that the text in the application is always visible. Which action should you recommend?

A.
Set the Opacity property on all application pages to 1.0, and then set the Foreground property on all application controls to White.

B.
Set the Opacity property on all application pages to 1.0, and then set the FontWeight property on all application controls to Bold.

C.
Update the Style property on all pages in the application, and then set the Foreground property on all application controls to White.

D.
Update the Style property on all pages in the application, and then override the theme in the application Styles.xaml file.