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: Pathology
Most common site of metastses in Choriocarcinoma is? 
Select and explain. 
A. Liver, B. Bones, C. Kidney, D. Lungs
D: Lungs
Answer: D: Lungs 
Explanation: Lungs are the most common sites of metastses in case of choriocarcinoma, followed by vagina.