According to paragraph 3, why do most deciduous wind-pollinated trees produce their pollen in the spring? A. To avoid competing with evergreen conifers, which flower in the fall or winter B. So that the leaves of the trees receiving the pollen will not prevent the pollen from reaching the trees' stigmas C. Because they do not have enough energy to produce new leaves and pollen at the same time D. In order to take advantage of the windiest time of year