Don，t do anything .You should be .
A. careless；careful
B. carelessly；careful
C. carelessly；carefully
D. careless；carefully
网友回答
A. careless；careful
(答案→)B. carelessly；careful
C. carelessly；carefully
D. careless；carefully
解析：此题重点考查形容词及副词在句子中的应用，careful形容词，细心地；carefully副词，careless形容词，粗心的；carelessly副词，修饰动词用副词，形容词和系动词构成系表结构，故选B