Let `f(x)=(x^2-11x+18)/(x^2-7x+12)`
Match List-I with List-II and select the correct answer using the code given below the list.
A. P`to`5 , Q`to`1 , R`to`3 , S`to` 4
B. P`to`5 , Q`to`4 , R`to`3 , S`to` 2
C. P`to`2 , Q`to`4 , R`to`3 , S`to` 5
D. P`to`4 , Q`to`5 , R`to`3 , S`to` 2