This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
A person developed sudden stridor, hoarseness of voice, tongue swelling, and edematous neck after eating a peanut. What is the likely diagnosis? 
Select and explain. 
A. Foreign body aspiration, B. Pharyngeal perforation, C. Angioneurotic edema, D. Para pharyngeal abscess
C: Angioneurotic edema
Answer: C: Angioneurotic edema 
Explanation: This is a case of Angioneurotic edema characterized by tongue swelling and laryngeal edema after ingestion of a peanut.