Pseudomonas aeruginosa has a maximum specific growth rate of 0.8 h-1 in a medium with glucose as a growth limiting substrate. To prevent wash out, the dilution rate must be set to

• A. less than 0.8 h-1
• B. greater than 0.8 h-1
• C. 1.6 h-1
• D. equal to 0.8 h-1