The correct options are
A Transfer of pollen from anther of one flower to the stigma of the same flower.
C Transfer of pollen from anther of one flower to the stigma of the another flower on the same plant.
Transfer of pollen grains from the anther to the stigma of the flower is called pollination.
If the transfer of pollen grain occurs from the anther of one flower to the stigma of the same flower or to the stigma of another flower present on the same plant, then it is called self pollination.