A primigravida client with gestational hypertension and a Bishop score of 3 is scheduled for induction of labor. The nurse administers misoprostol at 0700, then observes regular contractions with cervical changes at 0900. Which action should the nurse take?

D Administer misoprostol every 2 hours. B Begin oxytocin 4 hours after misoprostol is given. C Ambulate the client after administration of misoprostol. A Start oxytocin infusion immediately.