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 70 yrs old man presenting with acute pain abdomen, pulsating abdominal mass with shock; the management is -a) 6 unit blood transfusionb) CT scan of abdomen to diagnose the aneurysmc) Shift the patient to O.T. immediately and exploration of abdomend) Laparotomye) Angiography to diagnose the aneurysm 
Select and explain. 
A. abc, B. acd, C. bc, D. bde
B: acd
Answer: B: acd 
Explanation: None