The correct answer is: C. update
The update
command is used to update the local repository with the latest changes from the remote repository. It can be used to update the entire repository or to update specific files or branches.
The push
command is used to push changes from the local repository to the remote repository. It is used to share changes with other developers or to publish changes to the public.
The pop
command is used to remove the latest change from the local repository. It is used to undo changes that have been made locally but not yet pushed to the remote repository.
None of the other options are correct.