答案解析：
C
此时是Rachel和Paolo分手，而Ross的两位好友在鼓励他去向Rachel“move”，整个过程，是在鼓励Ross行动。D不正确，形成一个Ross时代不是他们在讨论的东西。AB不正确，原因比较明显，不再赘述。

听力原文：

Chandler:What are you still doing here? She just broke up with the guy, it's time for you to swoop in!
Ross:What, now?
Joey:Yes, now is when you swoop! You gotta make sure that when Paolo walks out of there, the first guy Rachel sees is you, She's gotta know that you're everything he's not! You're like, like the anti-Paolo!
Chandler:My Catholic friend is right. She's distraught. You're there for her. You pick up the pieces, and then you usher in the age of Ross! (Ross and Chandler look off into the distance. Joey, wondering what they are looking at, looks in the same direction)

听力笔记：

usher in 领进，引进