On dividing 109 by a number, the quotient is 9 and the remainder is 1. Find the divisor?  Choose the correct choice from the following answers
A) 10
B) 12
C) 14
D) 16
E) 18

Rationale: "d = ( d - r ) / q = ( 109 - 1 ) / 9 = 108 / 9 = 12 b )"
Answer: B