Dr. Anya Sharma dedicated her life to developing affordable vaccines for preventable diseases in developing countries, often working in challenging conditions for little personal gain. Based on this description, Dr. Sharma can be considered a modern hero because she:
A) achieved great personal wealth and fame through her discoveries.
B) prioritized scientific research over helping real people.
C) demonstrated selflessness and significantly contributed to public health.
D) focused solely on theoretical science without practical applications.
E) used her power to control medical resources globally.