
Answer:
b. "we need to check and see if he still has symptoms that require drug therapy"
Explanation:
The nurse should begin by saying that; ''This is essential to give rooms for observation of possible re-occurrence  of symptoms, during periodical therapy;so that  contingencies  measures for further treatment will be planned for and included in the treatment plan for a relapse. The nurse should  therefore conclude that;t in order to ensure this and for effective treatment plan to safeguard your treatments,there is always a need to  stop the drug administration for certain period of time.