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: Surgery
A pt is brought to the emergency as a case of head injury, following a head on collision road traffic accident. His BP is 90/60 mmHg. Tachycardia is present. Most likely diagnosis is - 
Select and explain. 
A. EDH, B. SDH, C. Intracranial hemorrhage, D. Intraabdominal bleed
D: Intraabdominal bleed
Answer: D: Intraabdominal bleed 
Explanation: None