To run a pre-hook for a custom script named "build," you would define a script named ______ in your package.json file.

To run a pre-hook for a custom script named "build" in your package.json file, you would define a script named prebuild. This allows you to execute tasks before the "build" script is run, such as setting up dependencies or configurations. The other options do not follow the standard naming convention for npm pre-hooks.