Which of the following sodium compound is/are formed when an organic compound containing both nitrogen and sulphur is fused with sodium?

The correct option is B Thiocyanate
If $N$ is present:
$Na+C+N\to NaCN$

Metallic fusion from organic compound sodium cyanide
If $S$ is present:
$2Na+S\to N{a}_{2}S$ (sodium sulphide)

If both $N$ and $S$ are present:
$Na+C+N+S\to NaSCN$
From organic compound sodium thioocyanate

Option B is correct.