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: Pharmacology
The following are the indications for Metronidazole except: 
Select and explain. 
A. Ulcerative gingivitis, B. Amoebiasis, C. Trichomonas infection, D. Streptococcal sore throat
D: Streptococcal sore throat
Answer: D: Streptococcal sore throat 
Explanation: None