This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2017, Subject name: Microbiology
All the following spread by auto infection except: 
Select and explain. 
A. Taenia solium, B. Strongyloides stercoralis, C. Hymenolepis nana, D. Ascaris lumbricoides
D: Ascaris lumbricoides
Answer: D: Ascaris lumbricoides 
Explanation: Parasites causing autoinfection are(C2HEST)C- Capillaria philippinensisCryptosporidium parvumH- Hymenolepis nanaE- Enterobius vermicularisS- Strongyloides stercoralisT- Taenia solium(Pork tapeworm) Taenia solium have proglottids responsible for causing autoinfection.