【单选题】

The client has a newly positive Mantoux skin test although she does not have active tuberculosis. Which medical therapy would be appropriate for her

A、Reevaluating the client’s condition every 6 months.
B、Performing a repeat skin test every 6 months.
C、Administering isoniazid for about 9 months.
D、Administering isoniazid until the skin test reverts to negativ