Answer: d. kingdom Fungi
Step-by-step explanation:
The kingdom fungi includes the eukaryotic unicellular to multicellular organisms. These includes yeasts, moulds and mushrooms. These have cell walls, and nuclei. These are heterotrophs which means they are dependent upon other organisms for the food and nourishment requirements. These have filamentous structures called as hyphae which helps them to absorb the food from the dead and decaying matter present in the soil.