单选题 A 3288. 5g baby boy is born by spontaneous vaginal delivery. During the initial assessment at 1 hour postpartum, the nurse notices lanugo, acrocyanosis, mongolian spots, and hemangiomas. Which of these is an abnormal finding in a neonate?
A. Lanugo.
B. Acroeyanosis.
C. Mongolian spots.
D. Hemangiomas.