Jack is good kind hard-working and intelligent. I can’t speak too highly of him.A. As

问题补充：

Jack is good, kind, hard-working and intelligent. , I can’t speak too highly of him.

A. As a result

B. By the way

C. On the whole

D. In a word

答案：

A. As a result

B. By the way

C. On the whole

(答案→)D. In a word

解析：短语辨析。As a result 结果是；By the way 顺便说一下；On the whole大体上；In a word总之，简言之。句意：杰克很不错，善良、勤劳还聪明。总之，再好的评价用在他身上都不为过。故选D。