Since the end of the war, the economies of the vast number of developing countries and regions have developed tremendously, but the gap between different countries and regions has continued to widen, and the scale and level of economic development have diverged at different levels, mainly including（ ） ?
选项：

A:Newly industrialized countries and regions ;
B:Petroleum exporting countries;
C:"BRICS";
D:Agricultural and mineral raw materials exporting countries