Intrazonal soils are mainly under influence of

Answer: Option C

Intrazonal soils have more or less well-defined soil profile characteristics that reflect the dominant influence of some resident factors of relief or parent material over the classic zonal effects of climate and vegetation.
Intrazonal soils are mainly under the influence of Local conditions. It includes humic clay and solonetz (dark alkaline soils) types found close to lakes and lagoons.