【单选题】
(It is) believed that some dinosaurs were intelligent, (ability) to perform complex activities, and perhaps (even) capable of (social) behavior.
A、It is
B.ability
C.even
D.social
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根据网考网移动考试中心的统计,该试题:
49%的考友选择了A选项
50%的考友选择了B选项
0%的考友选择了C选项
1%的考友选择了D选项