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: Microbiology
All are true regarding pneumococci except: 
Select and explain. 
A. Bile soluble, B. Produce draughtsman like appearance on blood agar, C. Ferments inulin, D. 2 ethyl hydrocuprine resistant
D: 2 ethyl hydrocuprine resistant
Answer: D: 2 ethyl hydrocuprine resistant 
Explanation: Optochin is also called 2 ethyl hydro cuprine. pneumococci is optochin sensitive.