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: Anatomy
[{'content': 'Rectus adominis is inserted into - \nSelect and explain. \nA. Xiphoid process, B. Median raphae, C. Linea alba, D. 1-4 ribs', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Rectus abdominis attachment\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Origin\n\nLateral head- Pubic crest\nMedial head- Anterior pubic ligament\n\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Insertion\n\nXiphoid process\nCostal cartilages- 5,6,7', 'role': 'assistant'}]