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
Transtuzumab is targeted against? 
Select and explain. 
A. Her 2 neu, B. CD 20, C. EGFR, D. VEGF
A: Her 2 neu
Answer: A: Her 2 neu 
Explanation: Ans. is 'a' i.e., Her 2 neu