Following a Vaginal Delivery, a Woman Develops a Fever, Lower

Following a vaginal delivery, a woman develops a fever, lower abdominal pain and uterine tenderness. She is alert, and her blood pressure and urine output are good. Large gram positive rods suggestive of clostridia are seen in a smear of cervix. management should include all except :

A) Immediate radiographic examination for gas in uterus
B) High dose antibiotic therapy
C) Hysterectomy
D) close observation for renal failure or hemolysis
E) none