Which of the following has a saprophytic mode of nutrition? 

1. Saprophytic or saprotrophic nutrition is the process by which non-green organisms absorb nutrients from dead and decaying substances in the form of solutions. 
2. Examples of saprophytes include fungi, mushrooms, yeast, and numerous types of bacteria. 
3. Leeches, lice, and roundworms are all parasites because they feed or dwell inside of other living things. 
4. Eukaryotic heterotrophic organisms make up fungi. Some of them are referred to as saprotrophs because they feed on decomposing organic matter. 
5. The nutrition in mushrooms is called saprophytic nutrition. The term "saprophyte" refers to an organism that consumes dead or decaying organic stuff. 
6. In Greek, "trophos" means "feeder" and "sapros" means "rotten".

Hence, option C is the correct answer.