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 cricketer got injured while holding a catch, following which he complained of pain over the base of thumb. Which structure is most likely to be injured. 
Select and explain. 
A. Volar plate, B. Extensor pollicis longus, C. Abductor pillicis longus, D. Ulnar collateral ligament
D: Ulnar collateral ligament
Answer: D: Ulnar collateral ligament 
Explanation: D i.e. Ulnar collateral ligment