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: Anatomy
True about thoracic duct : 
Select and explain. 
A. It passes through aoic opening of diaphragm, B. It stas at the level of T3 veebra, C. It opens into superior vena cava, D. All
A: It passes through aoic opening of diaphragm
Answer: A: It passes through aoic opening of diaphragm 
Explanation: A i.e. It passes through aoic opening of daphragm