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
All of the following are true regarding diphtheria except- 
Select and explain. 
A. Tonsillar membrane cab be easily wiped off, B. There may be swelling of neck causing bull neck appearance, C. With high degree of immunity a membrane may never appear, D. In laryngeal diphtheria, tracheostomy may be needed to relieve respiratory obstruction
A: Tonsillar membrane cab be easily wiped off
Answer: A: Tonsillar membrane cab be easily wiped off 
Explanation: None