This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Megaloblastic anaemia is caused by ? 
Select and explain. 
A. Diphyllobothrium latum, B. Schistosoma hematobium, C. Echinococcus granulosus, D. Taenia solium
A: Diphyllobothrium latum
Answer: A: Diphyllobothrium latum 
Explanation: Ans. is `a' i.e., Diphylloboturium latum