When do most class modules run?

A) When you double-click a module in the Navigation Pane
B) After all the standard modules finish running
C) When you double-click a macro in the Navigation Pane
D) In response to an event such as clicking a command button

Class Modules

Components in programming that define objects and their properties, methods, and events within a software application.

Command Button

A graphical control element in a user interface that triggers a specific command or function when clicked.

Navigation Pane

A feature in various applications that allows users to easily locate and manage the different sections or features of the application or document.