What is the issue?

A user on the system has started a process, but it needs to be terminated. The process ID
was determined as follows: pgrep userprogram l5317 The user attempted to terminate the
program as follows: pkill 15317 This command runs without an error message, and the
process continues to run. What is the issue?

A.
You need to switch to super user to kill the process.

B.
You need to run the ps command to get more information.

C.
You need to run the pkill command with the process name.

D.
You need to run the prstat command to get more information.