To remove the patch patch-2.4.28.tar.bz2 from a kernel source tree, the command that must
be used is:

A.
bunzip2 ../patch-2.4.28.tar.bz2 | patch -rp1

B.
bunzip2 -c ../patch-2.4.28.tar.bz2 | patch -Rp1

C.
bunzip2 -c ../patch-2.4.28.tar.bz2 | unpatch -p1

D.
bunzip2 ../patch-2.4.28.tar.bz2 | unpatch -p1

E.
bunzip2 ../patch-2.4.28.tar.bz2 | patch -Rp1