A Child Has Liver Cancer

A child has liver cancer.The most recent results for the alpha-fetoprotein level show it has been reduced by 50%.Which statement by the nurse to the parents and child is most appropriate at this time?

A) "Once the level gets to normal, we can resect the tumor."
B) "This shows the cancer is responding to therapy."
C) "Unfortunately, the chemotherapy is not working."
D) "Your child will need a liver transplant soon."