This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thoracic Duct & Esophagus, Subject name: Anatomy
Blood supply of thoracic part of esophagus - 
Select and explain. 
A. Aorta, B. Inferior thyroidartery, C. Gastric artery, D. Superior thyroid artery
A: Aorta
Answer: A: Aorta 
Explanation: Ans. is 'a' i.e., Aorta Part of esophagusBlood supplyCervicalInferior thyroid arteryThoracicEsophageal branches of aortaAbdominalLeft gastric artery