给下列对话的语句排列正确顺序，将其序号（A、B、C、D）写在括号内，你真棒！
A. Kate：Let”s eat the cake.      LiLei:Great!
B.Tom: Happy Birthday to you, Kate !      Kate:Thank you .
C.LiLei :Hello, Kate. This is my friend Tom.  
Kate:Nice to meet you.
Tom:Nice to meet you ,too.
D.Tom: How old are you?   Kate: I’m nine.
正确的语序是：（   ）——（   ）——（   ）——（   ）