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 signs refers to splenic injury ? 
Select and explain. 
A. Balance's sign, B. Kehr's sign, C. Tenderness of the 9th and 10th left rib, D. All the above
D: All the above
Answer: D: All the above 
Explanation: Kehr's sign is pain in the left shoulder. Balance's sign is shifting of dullness towards the right side.