我国要加大对发展中国家特别是最不发达国家援助力度，促进缩小南北发展差距。

A.China will increase assistance to other developing countries， especially the least developed countries， and do its part to reduce the North-South development gap.

B.China will keep assistance to other developing countries， especially the least developed countries， and do its part to reduce the North-South development gap.

C.China will increase assistance to other developed countries， especially the least developed countries， and do its part to reduce the North-South development gap.

正确答案：China will increase assistance to other developing countries， especially the least developed countries， and do its part to reduce the North-South development gap.