Lord Buddha’s image is sometimes shown with the hand gesture called; ‘Bhumisparsha Mudra’. It symbolizes.

Buddha’s reminder to his followers that they all arise from the Earth and finally dissolve into the Earth, and thus life is transitory

Buddha’s calling of the Earth to watch over Mara and to prevent Mara from disturbing his meditation

Buddha’s calling of the Earth to witness his purity and chastity despite the temptations of Mara

Both the statements (A) and (B) are correct in this context