Company.com has crated a process application monitor for an application that is initiated by a "c" Shell script. The application monitor is not functioning as designed. What could be the issue with eh application monitor？（）
- A A process monitor cannot monitor an application started by a shell.
- B For process monitors to function correctly， they must use the "korn" shell.
- C A custom monitor cannot de3termine the status of applications started by shell scripts.
- D The process monitor script is not existing with a zero return code after checking the status of the application.