Answer: d) "The advantage of radioactive iodine is that I will not need future medication for my disease."
Explanation:
The treatment of Graves disease using radioactive iodine is meant to destroy the thyroid gland so that the person will see a reduced function from it.
This means that after the treatment is used, a lot of patients will need a thyroid replacement and will have to keep receiving treatments to maintain.
Essentially the radioactive iodine is not the last medication that will be taken for Graves disease.