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: Gynaecology & Obstetrics
Which of the following sonographic finding suggests development of preeclampsia 
Select and explain. 
A. Increased volume of chorionic villi., B. Extensive remodelling of spiral arterioles., C. Increased invasion of extravillous trophoblastic tissue., D. None of the above.
A: Increased volume of chorionic villi.
Answer: A: Increased volume of chorionic villi. 
Explanation: Superabundance of chorionicvilli is implicated in etiopathogenesis of preeclampsia.