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
Which of the following statements about fluconazole is most accurate ? 
Select and explain. 
A. It is highly effective in the treatment of aspergillosis, B. It does not penetrate the blood-brain barrier, C. Its oral bioavailability is less than that of ketoconazole, D. It inhibits demethylation of lanosterol
D: It inhibits demethylation of lanosterol
Answer: D: It inhibits demethylation of lanosterol 
Explanation: None