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 right atrium is : 
Select and explain. 
A. Auricle lies superolaterally, B. Related to central tendon of diaphragm at Tio level, C. Coronary sinus lies between fossa ovalis and IVC, D. SVC opening is gaurded by endocardial valve
C: Coronary sinus lies between fossa ovalis and IVC
Answer: C: Coronary sinus lies between fossa ovalis and IVC 
Explanation: Coronary sinus lies between fossa ovalis and IVC