This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'Her-2 neu receptor is used in breast carcinoma for \nSelect and explain. \nA. Screening of the breast carcinoma, B. Diagnosis of cancer, C. Predicting response to treatment, D. Detect recurrence', 'role': 'user'}, {'content': 'Answer: C \nExplanation: .', 'role': 'assistant'}]