Through the economic reform the economic situation of China much better than it used to

问题补充：

Through the economic reform, the economic situation of China much better than it used to be.

A. turned into

B. turned off

C. turned in

D. turned out

答案：

A. turned into

B. turned off

C. turned in

(答案→)D. turned out

解析：短语辨析。A变成，成为；B关闭；C上交；D结果是；句意：通过经济改革，中国的经济形式结果比以前好多了。根据句意说明D正确。