— No, they aren't. They are my cousins.
A:What are these?
B:Who's are those?
C:Are they your pens?
D:Are they your friends?
据《左传》鲁宣公十五年记载“民不肯尽力于公田”。下列对引文中所说“公田”特点的叙述不正确是( )