Which statement is true about the default script field when adding an application?

Which statement is true about the default script field when adding an application?

A.
When a caller does not enter a choice in a Menu step, it will execute the default script.

B.
Any problems running the configured script will cause the default script to be executed.

C.
When the caller enters a digit in the Menu steps that is not defined, the default script will be executed.

D.
When the caller enters a digit that is not checked in the filter of the Get Digit String step, the default script will be executed.

Explanation: