If it is possible to make only one meaningful English word with the second, third, sixth and ninth letters of the word REGULATOR (using each letter only once in the words) which would be the second letter of the word from right? If more than one such word can be formed, give 'Y' as the answer. If no such word can be formed, give 'Z' as your answer :

• A. A
• B. G
• C. Y
• D. Z