A Woman Who Had Two Previous Cesarean Births Is in Active

A woman who had two previous cesarean births is in active labor,when she suddenly complains of pain between her scapulae.The nurse's priority action is to

A) Reposition the woman with her hips slightly elevated.
B) Observe for abnormally high uterine resting tone.
C) Decrease the rate of nonadditive intravenous fluid.
D) Notify the physician promptly and prepare the woman for surgery.