Suppose You Have a Perfectly Fair 10-Sided Die,with Sample Space

Multiple Choice

Suppose you have a perfectly fair 10-sided die,with sample space S = {1,2,3,4,5,6,7,8,9,10}.Now suppose that the 10-sided die is rolled twice in a row.What is the probability of rolling a 9 on the second roll if a 9 was rolled on the first roll?

A) 9/10
B) 0
C) 1/9
D) 1/10