If it is possible to make only one meaningful word with the second, the fifth, the seventh and the eleventh letters of the word STAKEHOLDER then which of the following will be the third letter of that word? If no such word can be formed, give 'X' as the answer and if more than one such word can be formed, give 'Y' as the answer.
(NCO 2015)
AT
BR
CY
DX
kindly explain the answer please ?