A group of children are looking into the box, about what can be inside.
A. worried
B. curious
C. careful
D. sorry
网友回答
A. worried
(答案→)B. curious
C. careful
D. sorry
解析：考查形容词短语辨析。Be worried about担忧…；be curious about…对…感到好奇；be careful about对…很细心；be sorry about对…感觉难受；句意：一群孩子正在看那个盒子，对于里面的东西很好奇。根据句意说明B正确。