The correct option is
B To halve the proportion of the worlds people living below $ 2.5
The eight targets in the Millennium Development Goals of United Nations are:
1) Eradicate extreme hunger and poverty
2) Achieve gender equality
3) Provide universal primary education
4) Alleviate the status of maternal health
5) Fight against HIV, malaria and other diseases
6) Ensure environment sustainability which includes the goal to halve the population without access to safe drinking water
7) Reduce child mortality
8) Promote global partnership for development