The Primigravida Patient Is in the Second Stage of Labor

The primigravida patient is in the second stage of labor. The fetal heart rate baseline is 170, with minimal variability present. The nurse performs fetal scalp stimulation. The patient's partner asks why the nurse did that. What is the best response by the nurse? "I stimulated the top of the baby's head to:

A) "Wake him up a little."
B) "Try to get his heart rate to accelerate."
C) "Calm the baby down before birth."
D) "Find out whether he is in distress."