This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: parasitology, Subject name: Microbiology
Larval form of which parasite resides in muscle - 
Select and explain. 
A. Taenia saginata, B. Echinococcus, C. Trichuris, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Larval form of trichuris ,taenia saginata,echinococcus resides in muscle