___________ I toured Zhang Jiajie, I was deeply impressed with its beautiful scenery.

A．For the first time

B．At first

C．It was the first time

D．The first time

肺癌TNM分期中ⅡB期表示（）.

A.T₂N₀M₀

B.T₁N₀M₀

C.T₃N₁M₀

D.T₂N₁M₀

E.T₁N₂M₀