-Hi Jane tell you a piece of good news. I America tomorrow. ---Wow have a good trip

问题补充：

---Hi, Jane, tell you a piece of good news. I America tomorrow.

---Wow, have a good trip!

A. will leave to B. leaves for C. am leaving for

答案：

解析：leave意思是动身，离开的意思，和for搭配使用表示去什么地方，和leave是完全相反的意思。句意：嗨，简，告诉你一个好消息。我明天要动身去美国了。——喔，祝你旅途愉快。可知上文为将来时态，故选C。