Given Basic Information from Observations of the Orchid with a Long

Given basic information from observations of the orchid with a long nectary,and the moth with the long proboscis,what is the advantage to a plant like an orchid producing nectar over a plant like a pine tree that does not produce nectar?

A) Nectar helps disperse pollen by water.
B) Nectar attracts animals that perform pollination.
C) Nectar helps disperse pollen by wind.
D) Nectar provides a sticky surface for pollen to attach to, promoting fertilization.
E) Nectar provides food for the pollen and growing fruit.