下列选项中，属于社会层面的核心价值观的选项有（）
A.自由
B.平等
C.公正
D.法治
E.三权分立
参考答案：A, B, C, D
—Can a person enjoy the pleasure from his work?
—________ he can have his interests and the work combined.
A．Although
B．Since
C．While
D．Unless
事实构成
