法律规范与其他社会规范重要区别之一在于
A.是否具有效力的普遍性
B.是否具有物质制约性
C.是否具有强制性
D.是否具有国家意志性
参考答案:D
The shop assistant showed her several DVDs and she chose ______ expensive one. [ ]
A. less
B. least
C. the less
D. the least