In which of the following group of countries of the world, HYVs of wheat and rice were developed?

In which of the following group of countries of the world, HYVs of whe

1.	In which of the following group of countries of the world, HYVs of wheat and rice were developed?
A.	Japan and Australia
B.	The U.S.A. and Japan
C.	Mexico and the Philippines
D.	Mexico and Singapore
Answer» D. Mexico and Singapore