Divisibility by 8:- The last three digit of a number is divisible by 8.
Divisibility by 9:- The sum of digits divisible by 9.
Given Number divisible by 8 if last 3 digits 96B is divisible by 8.There are two possibilities for B ( 8 and 0 ).
The number is divisible by 9 if the sum of digits (55+A+B) divisible by 9.
There are only 2 possibilities
A=0 and B=8
A=8 and B=0.
Hence,Option(B)8,0 is the correct choice.