【单选题】

A client with a spinal cord injury and subsequent urine retention receives intermittent catheterization every 4 hours. The average catheterized urine volume has been 550mL. What should the nurse do
A．Increase the frequency of the catheterizations.

B．Insert an indwelling urinary catheter.
C．Place the client on fluid restrictions.
D．Use a condom catheter instead of an invasive one.