The correct option is
B Chiropterophilous
In Malacophilous plants, flowers are pollinated by snails and slugs. Example, some water plants such as Lemna and members of Poaceae.
In Ornithophilous plants, flowers are pollinated by means of birds. Example, Begonia is pollinated by the hummingbird.
In Chiropterophilous plants, flowers are pollinated by bats. Example, Adansonia (baobab tree).
In Anemophilous plants, flowers are pollinated by wind. Example, Maize, grasses etc.
So, the correct answer is C.