Which of the following commands can be used?

A Linux user wants to create a hard link named ile2 in the current directory that points to /usr/var/file. Which of the following commands can be used?

A.
ln -h file2 /usr/var/file

B.
ln file2 /usr/var/file

C.
ln -h /usr/var/file file2

D.
ln /usr/var/file file2