What command will uninstall a package but leave its configuration files in case a package is re-inst

What command will uninstall a package but leave its configuration files in case a package is re-installed?

A.
none, no command will do this

B.
dpkg -s pkgname

C.
dpkg -L pkgname

D.
dpkg -P pkgname

E.
dpkg -r pkgname