You have just downloaded a new file, called scnpfile.tar.gz. You are going to verify the file prior to
un-archiving the file. Which command do you need to type to un-compress the file, prior to un-archiving?

A.
tar xvf scnpfile.tar.gz

B.
tar -zxvf scnpfile.tar.gz

C.
gunzip scnpfile.tar.gz

D.
gunzip -xvf scnpfile.tar.gz

E.
gunzip -zxvf scnpfile.tar.gz