This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti-Parasitic Drugs, Subject name: Pharmacology
Choose the most effective drug for mild intestinal amoebiasis and asymptomatic cyst passers: 
Select and explain. 
A. Metronidazole, B. Emetine, C. Quiniodochlor, D. Diloxanide furoate
D: Diloxanide furoate
Answer: D: Diloxanide furoate 
Explanation: -Diloxanide furoate is drug of choice for luminal ameobiasis and carriers. -Metronidazole is drug of choice for intestinal and extra-intestinal ameobiasis.