Correct option is A
The epipedon includes the upper part of the soil darkened by organic matter. Nine epipedons, viz. Mollic, Umbric, Anthropic, Ochric, Melanic, Folistic Histic and Plaggen and Grossarenic are recognized, but only three, i.e. Mollic, Ochric and Umbric, are of importance in the soils of India.