有固定名称和固定位置的是（）。

A、奇穴

B、阿是穴

C、募穴

D、十四经穴

E、交会穴

---I came all the way to inform you of the time and place of the meeting.

---You could have _____ yourself the trouble.

A．shared

B．spared

C．cost

D．removed