Final answer:
Option D) A chest radiograph 2 months after she returns is recommended in this scenario.
Step-by-step explanation:
I would recommend option D) A chest radiograph 2 months after she returns.
In this scenario, the student is traveling to a country with a high tuberculosis (TB) prevalence. Although her initial TB test is negative and she remains asymptomatic, it is important to monitor for any potential exposure to TB during her trip. A chest radiograph 2 months after she returns can help detect any active TB infection or signs of TB disease that may have developed after her test prior to travel.