You have written a custom menu for a Forms application. You saved the menu module to the file custmenu.mmb. In the Property Palette for the form, you set the Menu Module property to custmenu. When you run the form, the custom menu does not appear. What can you do to fix this problem?（）

A. Generate the menu module executable.
B. Save the menu module as custmenu.mmx.
C. In the Property Sheet for the form, set the Starting Menu property to custmenu.
D. In the Property Sheet for the form, set the Menu Module property to custmenu.mmb.