The Nurse Is Explaining to the Mother That Her Child

The nurse is explaining to the mother that her child with cancer will receive chemotherapy daily for one month and then no treatments for six weeks. Following the period of rest, chemotherapy will be administered again for another month. The mother asks why the child can't receive the medication for two months straight. The nurse would explain that the rest period:

A) Prevents the child from having side effects from the drugs.
B) Is due to the scheduling requirements of the infusion center.
C) Is necessary because receiving the medication for more than one month can cause heart failure.
D) Allows normal cells to repair themselves while the cancer cells die.