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: Gynaecology & Obstetrics
Vaginal smear in old lady shows:a) Atrophic cells on smearb) Basal and parabasal cellsc) Superficial cellsd) Few intermediate cells seen 
Select and explain. 
A. bd, B. d, C. ab, D. ac
A: bd
Answer: A: bd 
Explanation: None