The correct option is D I
The given word is VITREOUS. Of which, TRSV are the consonants and IEOU are the vowels. Now, after making the changes as given in the question, we get following arrangment: RSTVEIOU.
Again from precalculation, we know that second to the right of fourth from the left means (2 + 4 =) 6th from the left. i.e I