If the current directory is /root and the kernel source is located in /usr/src/linux, which of the

following commands should be used to apply the patch /tmp/foopatch?

A.
cd/usr/src/linux; patch -p1 </tmp/foopatch

B.
cat /tmp/foopatch | patch -p0

C.
cd/usr/src/linux; cat/tmp/foopatch | patch

D.
cd/usr/src/linux; cat/tmp/foopatch | patch -p0