Kelly took three days to travel from City C to City D by automobile. On the first day, Kelly traveled $$\frac{2}{5}$$ of the distance from City C to City D; and on the second day, she traveled $$\frac{2}{3}$$ of the remaining distance. Which of the following is equivalent to the fraction of the distance from City C to City D that Kelly traveled on the third day?
答案：D