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
网友回答
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。