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
Which of the following is not done in case of obstructed inguinal hernia -a) Aspiration of the sac for diagnosisb) X-ray abdomen c) USG abdomen d) Do early surgery 
Select and explain. 
A. ab, B. abc, C. acd, D. bcd
B: abc
Answer: B: abc 
Explanation: None