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: Forensic Medicine
[{'content': 'Fetal pas are palpable at the earliest by: Maharashtra 08 \nSelect and explain. \nA. 16 weeks, B. 18 weeks, C. 20 weeks, D. 28 weeks', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. 20 weeks', 'role': 'assistant'}]