In addition to balloon inflation, the three lumens of a triple-lumen urinary catheter, inserted after a transurethral resection of the prostate, serve which function?

a. Continuous inflow and outflow of irrigation solution
b. Intermittent inflow and continuous outflow of irrigation solution
c. Continuous inflow and intermittent outflow of irrigation solution
d. Intermittent flow of irrigation solution and prevention of hemorrhage