注意：此页面搜索的是所有试题
题目内容
（国家开放大学婚姻家庭法学）
A of an effective team is not afraid to question ineffective techniques or strategies. He or she is always trying to improve the team.
A.thinker
B."supporter
C."
D.challenger
A.thinker
B."supporter
C."
D.challenger
参考答案