The two sisters are different in character --- one talks a lot while the other is a girl of few words.
A. exactly
B. entirely
C. frequently
D. finally
网友回答
A. exactly
(答案→)B. entirely
C. frequently
D. finally
解析：考查副词辨析。句意：这一对姐妹在性格上完全（很）不一样--一个健谈，而另一个沉默寡言。A确切地，确实如此；B完全地，非常；C频繁地；D最终。故选B。