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
Cetuximab and rituximab are ? 
Select and explain. 
A. Humanized monoclonal antibodies, B. Murine monoclonal antibodies, C. Chimeric monoclonal antibodies, D. Antinuclear antibodies
C: Chimeric monoclonal antibodies
Answer: C: Chimeric monoclonal antibodies 
Explanation: Ans. is 'c' i.e., Chimeric monoclonal antibodies