Please help.. Which statement about the graph of f(x)=e^x is true?

A. It crosses the x-axis at e.
B. It crosses the y-axis at e.
C. It passes through the point (1,e).
D. It passes through the point (e,1).

Abag contains 5 red marbles , 6 blue marbles and 4 green marbles. susie selects a marble and returns it to the bag before selecting another marble. if susie selects a red marble 6 out of 20 times, what is the experimental probability that the next marble she selects will be a red marble ?