Which Phone Call Should the Prenatal Clinic Nurse Return First

Which phone call should the prenatal clinic nurse return first?

A) Primipara at 32 weeks, reports headache and blurred vision
B) Primipara at 16 weeks, reports increased urinary frequency
C) Multipara at 18 weeks, reports no fetal movement this pregnancy
D) Multipara at 40 weeks, reports sudden gush of fluid and contractions