A systems administrator suspects a process with a PID of 2864 is consuming resources at an alarming rate. The administrator uses the command renice -n - 5 -p2864, but it does not solve the issue. Which of the following commands should the administrator execute to correct the issue? 

Answer options:

A. nice -n 5 -p 2864
B. nice -n -5 -p 2864
C. renice -n 10 -p 2864
D. renice -n -10 -p 2864

C