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: Medicine
[{'content': 'Individuals with hypogammaglobulinemia are at paicular risk of infectious diarrhea due to : \nSelect and explain. \nA. Giardiasis and shigellosis, B. C.difficile and vibrio parahemolyticus, C. C.difficile and giardiasis, D. Vibrio parahaemolyticus and shigellosis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Individuals with defects in cell-mediated immunity are at high risk of invasive enteropathies, including salmonellosis, listeriosis, and cryptosporidiosis. Individuals with hypogammaglobulinemia are at risk of C. difficile colitis and giardiasis. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 1088', 'role': 'assistant'}]