A nurse is caring for a client who is in active labor with 7 cm of cervical dilation and 100% effacement. The fetus is at 1+ station, and the client's amniotic membranes are intact. The client suddenly states that she needs to push. Which of the following actions should the nurse take?

A Assist the client into a comfortable position B Help the client to the bathroom to void C Have the client pant during the next contractions D Observe the perineum for signs of crowning.