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: Medicine
[{'content': 'Followings are the symptoms of carcinoid symptoms  a) Wheezing  b) Flushing  c) Cyanosis  d) Clubbing  e) Diarrhoea \nSelect and explain. \nA. abe, B. ab, C. ac, D. bc', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]