$$2008-AMC10A-12$$  In a collection of red, blue, and green marbles, there are $$25 \%$$ more red marbles than blue marbles, and there are $$60 \%$$ more green marbles than red marbles. Suppose that there are $$r$$ red marbles. What is the total number of marbles in the collection?  在红色、蓝色和绿色弹珠的集合中，红色弹珠比蓝色弹珠多 $$25 \%$$，绿色弹珠比红色弹珠多 $$60 \%$$。 假设有 $$r$$ 个红色弹珠，则弹珠总数是多少？
选项为:A:$$2.85 r$$  B:$$3 r$$  C:$$3.4 r$$  D:$$3.85r$$  E:$$4.25r$$  请回答其中一个选项.