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
A 12 year old child presents with fever and cervical lymphadenopathy. Oral examination shows grey membrane on right tonsil extending to the anterior pillar. Which of the following medium will be ideal for culture of throat swab for rapid identification of pathogen? 
Select and explain. 
A. Nutrient agar, B. Blood agar, C. Lofflers serum slope, D. LJ medium
C: Lofflers serum slope
Answer: C: Lofflers serum slope 
Explanation: None