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: Radiology
Sitting duck heart is radiological finding of 
Select and explain. 
A. TAPVC, B. Persistent truncus arteriosus, C. Ebstein's anomaly, D. Constrictive pericarditis
B: Persistent truncus arteriosus
Answer: B: Persistent truncus arteriosus 
Explanation: Sitting duck heart - Persistent truncus arteriosus.
Jug handle appearance - Primary pulmonary hypertension.