If Pollen from a Plant with the S1S2 Genotype Is

If pollen from a plant with the S1S2 genotype is recognized and allowed to germinate on the stigma of the same plant with the S1S2 genotype, the plant is mostly likely ________.

A) self-compatible and can self-pollinate
B) self-compatible and must cross-pollinate
C) self-incompatible and can self-pollinate
D) self-incompatible and must cross-pollinate