P 3 C, R 5 F, T8I, V12 L. ?

The number in each term is (n) more than the previous ter where n is the position of the term
1st term n=1
2nd term n=2 and so on.
The fifth term would be 5 more than 12.
The first letter of each term is the second letter from the first letter of the preceeding term.
The first letter of fifth term is X.
The last letter of each term is the third letter from the last letter of the preceeding term.
The last letter of fifth term is O.
The fifth term is X17O.
Hence Option B is the correct answer.