The essay you wrote is excellent which a rapid improvement on your recent work. A. illust

问题补充：

The essay you wrote is excellent, which a rapid improvement on your recent work.

A. illustrates

B. explains

C. represents

D. communicates

答案：

A. illustrates

B. explains

(答案→)C. represents

D. communicates

解析： 考查词义辨析，illustrates用图表等做出诠释，explains解释，represents代表，表明，communicates交流，句意：你写的文章非常的优秀，表明了在最近的工作中你有快速的提高。故选C。