Which two of the following statements is true? A. Organisms classified in the Kingdom Protista can be unicellular or multicellular. B. Organisms classified in the Kingdom Protista can be heterotrophic or autotrophic. C. Organisms classified in the Kingdom Protista are made of cells that are always surrounded by a cell wall. D. Organisms classified in the kingdom Protista can be prokaryotic or eukaryotic.