I got to love Hangzhou ______ I went there in 2001 and that was the first time that I ______Longjing TeA．

A．the first time; had tasted   

B．for the first time; had tasted   

C．the first time; have tasted  

D．for the first time; tasted

某宗地有5个界址点，其坐标分别为J₁(5，1)、J₂(6，1)、J₃(4，4)、J₄(2，2)、J₅(3，1)，该宗地的面积为______m²。

A．6.5
B．7.5
C．13.0
D．15.0