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: ENT
Rienke's edema seen in 
Select and explain. 
A. Vestibular folds, B. Vocal cords, C. Betweeen true and false vocal cord, D. Pyer form fossa
B: Vocal cords
Answer: B: Vocal cords 
Explanation: Vocal corda, In submucosal space of membraneous true vocal cords along free medial margin.