Which of the Following Client Actions Indicate a Good Understanding

Which of the following client actions indicate a good understanding of the nurse's teaching about the use of an insulin pump?

A) The client changes the site for the insertion site every week.
B) The client programs the pump to deliver an insulin bolus after eating.
C) The client takes the pump off at bedtime and starts it again each morning.
D) The client states that diet will be less flexible when using the insulin pump.