What is the remainder when 9^1 + 9^2 + 9^3 +...+ 9^9 is divided by 9?	Choose the correct choice from the following choices:
A) 2  B) 3  C) 0  D) 5  E) none of the above

Rationale: "notice that in the brackets we have the sum of 9 odd multiples of 9 , which yields remainder of 0 upon division by 9 . answer : c"
Answer: C