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
Which of the following is an antimicrobial susceptibility testing - 
Select and explain. 
A. Kibry baur method, B. ATCC, C. NCTC, D. NCCLS
D: NCCLS
Answer: D: NCCLS 
Explanation: Ans. is `d' i.e., NCCLS . testing is done by: . NCCLS . BSAC . SRGA . Neo-sensitabs . CA-SFM . DIN . CDS . ATCC (Americal type culture collection) is quality control strain.