The correct option is D Anemophily
Anemophily is pollination of a flower in which the pollen is carried by the abiotic agent wind. Examples of anemophilous flower are those of grasses and conifers. Hydrophilly is pollination by another abiotic agent - water, for example Valllisneria, Zostera etc., chiropterophily is pollination of flower by biotic agents like bats example Bauhinia and ornithophilly is by birds.