Correct Answer:
C. 2017
Dr. Ruth Pfau, often referred to as Pakistan's "Mother Teresa," was a German-Pakistani physician and nun who dedicated her life to fighting leprosy in Pakistan. She passed away in 2017. Her tireless efforts led to Pakistan being declared leprosy-free by the World Health Organization in 1996, a remarkable achievement.
- Options 2015, 2016, and 2018 are incorrect dates for her passing.
Dr. Pfau's legacy is one of profound humanitarian service, establishing numerous clinics and treatment centers, and inspiring countless individuals through her selfless dedication to the most vulnerable members of society.