A.China has a grassland area of 390 million hectares, of which about 320
million hectares can be used, which places China third in the area of usable
grassland.
B.China has a 390 million hectares grassland. In the grassland, about 320
million hectares can be used, and it place China third in the world in the area
of usable grassland.
C.There is 390 million hectares grassland in China, of which about 320
million hectares can be used, which places China third in the world in the area
of usable grassland.
D.There is 390 million hectares grassland in China. Among these hectares, we
can use about 320 million hectares, and it makes china ranking the third in the
world in the area of usable grassland.