A user would like their shell prompt to reflect the current directory. Which of the following environment variables can be set to accomplish this？（）

A.mkdev
B.cfmgr
C.drslot
D.lsslot

A.lsattr -l pci
B.lscfg -Cc pci
C.lsconn -p pci -a
D.lsslot -c pci -a

A.The dump was successful.
B.A system dump is in progress.
C.No system dump device configured.
D.There was an I/O error during the dump.