Simon improved his way of study. he has made great progress.A. As a resultB. As usualC.

问题补充：

Simon improved his way of study. , he has made great progress.

A. As a result

B. As usual

C. In other words

D. In all

答案：

(答案→)A. As a result

B. As usual

C. In other words

D. In all

解析：根据语境此处选A.as a result表示结果。