A、To fight world hunger. B、To end extreme poverty. C、To support small-holder farmers. D、To ensure access to nutritious food. A新闻

(3)The UN’s World Food Program(WFP)and Agriculture and Food Organization(FAQ)celebrated World Food Day today, October 16. The goal of the organizations is to fight world hunger.
    Ertharin Cousin is an executive director of the WFP. She appealed to the global community to take action to achieve a world without hunger. Ms. Cousin said, "Working together, we can all press for the changes that the world needs, including ending extreme poverty, supporting small-holder farmers and ensuring access to nutritious food all year round for the most vulnerable people by investing in social protection programs." The organization asks people to join a new community Facebook page.(4)It gives Facebook users a tool to switch their profile page to include a striking white circle. It represents the target of Zero Hunger. The UN Zero Hunger Challenge represents the goal we all share and the world we want.
3. What is the goal of WFP and FAO?
4. What does the white circle represent?