Differences in economic development between countries — practice question

The table provides details on four countries. Which country is most likely to be the most developed?

• ALife expectancy 52, GDP per head (US$) 450, % of labour force in agriculture 50
• BLife expectancy 54, GDP per head (US$) 490, % of labour force in agriculture 40
• CLife expectancy 60, GDP per head (US$) 550, % of labour force in agriculture 15
• DLife expectancy 60, GDP per head (US$) 500, % of labour force in agriculture 25