Which of the following commands would successfully execute that script?

You have created a script in the recovery catalog called backup_database. Which of the following
commands would successfully execute that script?

A.
run {
open script backup_database;
run script backup_database
}

B.
run {
engage script backup_database;
}

C.
run {
run script backup_database;
}

D.
Run {
execute script backup_database;
}

E.
The name backup_database is an invalid name for an RMAN script. Trying to run it from RMAN
would result in an error.