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
A 40-year-old hypeensive lady is brought to the emergency room after being unresponsive following a sudden bout of severe headache, vomiting and neck rigidity at work. 0/E her BP is 180/100 mmHg and her respiration is irregular and of Cheyne-Stokes type. She is agitated and doesn't follow commands, but moves her extremities spontaneously. Most likely diagnosis will be: JIPMER 08; AIIMS 13 
Select and explain. 
A. Subarachnoid hemorrhage due to rupture cerebral aneurysm, B. Hypoglycemic coma, C. Conversion reaction, D. Addisonian crisis
A: Subarachnoid hemorrhage due to rupture cerebral aneurysm
Answer: A: Subarachnoid hemorrhage due to rupture cerebral aneurysm 
Explanation: Ans. Subarachnoid hemorrhage due to rupture cerebral aneurysm