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
Third-generation cephalosporins include all of the following EXCEPT : 
Select and explain. 
A. Ceftizoxime, B. Cefoperazone, C. Cefoxitin, D. Cefixime
C: Cefoxitin
Answer: C: Cefoxitin 
Explanation: None