Which of the following commands should be run as a FIRST step to troubleshooting this problem?

A new RPM package returns a large number of errors and has never run successfully. Which of the following commands should be run as a FIRST step to troubleshooting this problem?

A.
verify <package_name>

B.
rpmdb -v <installation_file>

C.
diff –rpm <package_name> <installation_file>

D.
rpm -V <package_name>