Correct option is C
Given:
A certain number of people are sitting in a row, facing north.
Z sits second to the right of T.
S sits second to the right of V.
R sits to the immediate left of T.
Only three people sit between K and R.
S sits third to the left of K.
If no other person is sitting in the row.
From the given statements possible arrangement

The total number of people is 13.
Thus, correct option (c).