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
[{'content': 'A case of giardiasis presents with - \nSelect and explain. \nA. Nausea and vomiting, B. Abdominal pain, C. Steatorrhea and flatulence, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: It may cause a disturbance in the intestinal function,leading to malabsorption of fat . The patient may complain of persistent looseness of bowels and mild steatorrhoea.The patient may present as silent case without any symptom as chronic enteritis and acute enterocolitis or as chronic cholecystopathy.Sometimes only general features such as fever, anaemia and allergic manifestation are present (refer pgno:32 baveja 3 rd edition)', 'role': 'assistant'}]