During the Night an Older Patient Fell, Was Incontinent of Urine

During the night an older patient fell, was incontinent of urine, and complained of not being able to get to the bathroom because the side rails on the bed were raised. What is the most appropriate nursing intervention to prevent this patient from falling again?

A) Initiate a toileting program.
B) Place a commode next to the bed.
C) Apply a soft waist restraint at night.
D) Put the side rails down during the night.