In the last sentence of the passage "its private partner" refers to ______.

A．leaders of poor countries have no development plan for their countries
B．poor countries have no money to buy computers and the Internet equipment
C．the poor country invest less on computer than on food
D．world leaders are more concerned about such challenges as peace or disarmament

A．measures should be taken to bridge the world's digital divide
B．rich countries should help poor countries to create more Web sites
C．rich countries should help poor countries to develop their economy
D．sustainable development is important to both poor and rich countries