—Tom has never visited the Great Hall of the People, _____?

—He went there last month．

A．hasn’t he; No, he hasn’t

B．has Tom; Yes, he has

C．hasn’t Tom; No, he hasn’t

D．has he; Yes, he has

红、蓝宝石中颜色最好的是（）。

A、鸽血红、海蓝色

B、矢车菊蓝、紫红色

C、鸽血红、矢车菊蓝