Which statement is true about the Application Layout control?

Which statement is true about the Application Layout control?
A . The Application Layout control provides a consistent interface when added directly to each XPage in an application.
B . To render properly, the Application Layout control must implement one of the oneuiv2.1 themes or a theme that extends a oneuiv2.1 theme.
C . The Application Layout control includes a total of three facet areas for adding content (left, center and right columns) and three bar areas foricons, titles, links and drop down menus.
D . When the Application Layout control is enabled for an application each XPage will include a left, center and right column area with the samedimensions to provide a consistent user interface across the application.

Answer: B