A 29-year-old G1P0 woman at 41 weeks gestation presents in early labor. The prenatal course was uncomplicated. Ultrasound at 21 weeks was consistent with gestational age. Her vital signs reveal a blood pressure of 128/76; pulse 74; and she is afebrile. Fundal height is 36 cm with estimated fetal weight of 2700 gm. Cervix is dilated to 1 cm, 50% effaced and the fetal vertex is at -2 station. The fetal heart tracing is shown below. Which statement best describes this tracing?A. Normal fetal heart rate with good variability and regular contractionsB. Fetal tachycardia with good variability and regular contractionsC. Normal fetal heart rate with poor variability and regular contractionsD. Fetal tachycardia with poor variability and irregular contractionsE. Normal fetal heart rate with poor variability and irregular contractions