Animals Are Not Attracted to Fruits Before the Seeds Are

Animals are not attracted to fruits before the seeds are mature because

A) their photosynthesis does not contributes to seed nutritional storage reserves.
B) many fruits are green,hard,and sour before they become ripe.
C) immature fruits do not absorb wavelengths of light that would trigger seed germination.
D) Animals are no hungry at this time.
E) hormones have not been triggered yet.