. . . . . . . . displays the commands that are required to build an application. it is used to display the menus of the particular application

mdi
sdi
menu bar
toolbox

The correct answer is C. menu bar.

A menu bar is a horizontal bar at the top of a window that contains a list of commands. The commands on the menu bar are used to perform tasks in the application.

An MDI (Multiple Document Interface) is a type of user interface that allows multiple documents to be opened and displayed in a single window.

An SDI (Single Document Interface) is a type of user interface that allows only one document to be opened and displayed at a time.

A toolbox is a window that contains a collection of tools that can be used to create and edit objects in an application.