I think it is B. The expression "to hitch one's wagon to a star" is used to describe a person pursuing grand of lofty dreams. She is claiming that this is a foolish pursuit since she will never make money or gain respect from art, so there is no point in chasing such a dream.
I'm not sure of this one so I don't want to give you a wrong answer, but I'll cut it down to the last two options which I think are right. D and E. Take it from there.
