Jack is kind, hard-working and intellige
题型：选择题
问题：
Jack is 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
Jack is 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