【单选题】The nurse is assisting the health care provider to perform Leopold's maneuvers on a pregnant client. Which action should the nurse perform before the procedure?
A.
Ask the client to urinate.
B.
Ask the client to drink 8 oz of water.
C.
Locate the fetal heart tones with a fetoscope.
D.
Warm the sonogram gel before placing it on the client's abdomen.