The X program _________is often used to make minor keyboard adjustments, like proper Backspace/Delet

The X program _________is often used to make minor keyboard adjustments, like proper
Backspace/Delete mapping.

A.
xkbdmap

B.
kbdmap

C.
xmodmap

D.
modmap

Explanation:
kbdmap is the keyboard map file format for kbdcontrol