—Your Chinese is so good!

—But your English is better. So we can help each other.

—_____.[ ]

A. What a pity!

B. Good idea!

C. The same to you.

D. Sorry to hear that.

从个人发展的角度来说，受教育是一项权利；从国家发展的角度来说，受教育是一项义务。受教育既是权利又是义务，体现了权利与义务的（   ）

A．平等性

B．交叉性

C．一致性

D．真实性