In base 10, the number 2013 ends in the digit 3. In base 9 , on the other hand, the same number is written as (2676)_{9} and ends in the digit 6 . For how many positive integers b does the base- b representation of 2013 end in the digit 3 ?

**Answer Choices**

A. 6

B. 9

C. 13

D. 16

E. 18