What is a reasonable command to uninstall a Debian package from your system?

A.
dpkg -Ra pkgname

B.
dpkg -R pkgname

C.
dpkg -r pkgname

D.
dpkg -ra pkgname

Explanation:
-R is the recursive option and would not remove any packages.
If you specifiy the option -ra, you would instruct dpkg to remove pending packages, instead of the specified package.