Mike is kind，determined and full of energy. ，I can’t speak too highly of him.
A. As a result
B. In a word
C. By the way
D. On the contrary
网友回答
A. As a result
(答案→)B. In a word
C. By the way
D. On the contrary
解析：
句意为：麦克是一位善良，有决心并充满活力的人。总之，我怎么表扬他都不过分。in a word总之，符合句意。as a result结果；by the way顺便说；on the contrary相反。