When Observing the Fetal Heart Monitor,the Nurse Recognizes the Fetal

When observing the fetal heart monitor,the nurse recognizes the fetal heart rate (FHR) decreases to 120 beats per minute at the beginning of a contraction and returns to a baseline of 155 beats per minute at the end of the contraction.This indicates:

A) early deceleration due to head compression.
B) that the fetus is in acute distress.
C) variable decelerations due to cord compression.
D) that these are late decelerations.