Which of the following resources does NMAP need to be used as a basic vulnerability scanner covering several vectors like SMB, HTTP and FTP?

Which of the following resources does NMAP need to be used as a basic vulnerability scanner
covering several vectors like SMB, HTTP and FTP?

A.
Metasploit scripting engine

B.
Nessus scripting engine

C.
NMAP scripting engine

D.
SAINT scripting engine