Yuan Longping makes possible to produce more crops in the same fields with this special s

问题补充：

Yuan Longping makes possible to produce more crops in the same fields with this special strain of rice

A. that

B. it

C. this

D. it that

答案：

A. that

(答案→)B. it

C. this

D. it that

解析：这题考查句型：make it+adj+to do，这里it是形式主语，不定式是真正的主语，句意是：袁隆平用他的特殊的稻米使得同样的田长出更多的庄稼成为可能。选B。