Solution

R. H. Whittaker proposed the five-kingdom classification.
The five kingdoms in this classification are Monera, Protista, Fungi, Plantae, and Animalia.
The basis of classification is by the comparison of the cell structure, body organization, mode of nutrition, lifestyle, and phylogenetic relationships.
These criteria formed the basis of the classification of the diverse form of organisms.
Thus, the correct answer is option D.