Although China’s total economic output, measured by Gross Domestic Product (GDP), is third largest in the world, it is considered a developing nation. What is most likely the most important factor for this designation?
A.
China’s government spends money on things that do not benefit human development.
B.
China has a large population, so its GDP per person is only modest.
C.
China has a strong economy but weak literacy and school attendance rates.
D.
China’s high rates of disease offset the country's economic gains.

Please select the best answer from the choices provided.