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: Unknown
Which of the following does NOT have dual nerve supply 
Select and explain. 
A. Flexor Policis Brevis, B. Abductor Policis Brevis, C. Flexor digitorum profundus, D. Pectoralis major
B: Abductor Policis Brevis
Answer: B: Abductor Policis Brevis 
Explanation: Flexor Policis Brevis- superficial head by median and deep by Ulnar,
Flexor digitorum profundus- Lateral half by Median and Medial Half by Ulnar,
Pectoralis major by Medial nad Lateral Pectoral Nerve