The correct answer is: A. module
A module is a file that contains code in Visual Basic. It can be used to group related code together, and it can be imported into other modules. Modules are stored in files with the extension .vb.
A form is a user interface element in Visual Basic. It can be used to create windows, buttons, and other graphical elements. Forms are stored in files with the extension .frm.
A .vbp file is a Visual Basic project file. It contains information about the project, such as the modules and forms that it contains.
None of these options is correct.