A.
According to China's agriculture resources, production conditions, technonloy levels and other conditions , the production quantity may be a great potential.
B.
China natural resources, production conditions, technology conditions and others, will make it a great potential.
C.
Natural agriculture resources, producing conditions, technical level and other conditions will make the additional production possible.
D.
Natural agricultural resources, production conditions, technical level and some other conditions ensure great potential in this respect.