A System Administrator needs to determine if the system has the latest version of perfmgr and if the filesets copied to the /tmp directory are the latest. Which of the following command sequences would be required to accomplish this？（）
- A lslpp -l perfmgr.* ； cd /tmp ； installp -ld
- B smitty list_software ； oslevel -g
- C smitty list_software ； lslpp -f perfmgr*
- D cd /usr/sys/install.images ； ls -la ； cd /tmp ； ls -la