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
Widest spectrum aminoglycoside is - 
Select and explain. 
A. Streptomycin, B. Amikacin, C. Framycetin, D. Netilmicin
B: Amikacin
Answer: B: Amikacin 
Explanation: Ans. is 'b' i.e., Amikacin