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
Diagonsis of tetanus is made by : 
Select and explain. 
A. Culture of bacteria from wound, B. Clinically, C. Four fold raise in antibody against tetanus toxin, D. Gram staining of biopsy from wound
B: Clinically
Answer: B: Clinically 
Explanation: None