Which of the following is the difference between custom controls and user controls?

A.
Custom controls are good for static content, and user controls are good for dynamic content.

B.
Custom controls cannot be added to the Toolbox in Visual Studio, and user controls can be added
to the Toolbox in Visual Studio.

C.
User controls are added in the source form (.ascx) along with the source code of the application,
and
custom controls are added in the application’s Bin directory or in the global assembly cache.

D.
User controls are designed for multiple applications, and custom controls are designed for an
application.

Explanation:
The main differences between user control and custom control are as follows: