27. How many different words can be formed by jumbling the letters in the word MISSISSIPPI in which no two S are adjacent?

Question

( A ) $7 . {^6C_4} . {^8C_4}$
( B ) $8 . {^6C_4} . {^7C_4}$
( C ) $6 . 7 . {^8C_4}$
( D ) $6 . 8 . {^7C_4}$