An administrator is experimenting with a binary in /tmp/foo.d that expects its configuration file at /etc/foo.conf. The administrator does not want to save it there, but use a symbolic link to /tmp/foo.d/foo.conf instead. Which of the following commands would accomplish this?
A. In -s /tmp/foo.d/foo.conf /etc/foo.conf
B. In /tmp/foo.d/foo.conf /etc/foo.conf
C. In -s /etc/foo /tmp/foo.d/foo.conf
D. In /etc/foo.conf /tmp/foo.d/foo.conf
