A.This is a great motive force to make China’s grain cl……
这是中国粮食再上新台阶的巨大动力。______
A.This is a great motive force to make China’s grain climb on a new
step.
B.This is a great motive force to make China’s grain go a step
further.
C.This will enable China to go a step further in grain production.
D.This will enable China’s grain production to go a step further.