She's going to have to apologise, probably encouraged by her studio to do so. Whether people like it or not, the box office in China is growing at a very quick pace and will be the biggest market for movies in a matter of years. And obviously, this will have impact on the production, what actors are allowed to say etc.
See this article :
http://www.theguardian.com/film/2013...-images-movies
For example, if she refuses, future movies in which she appears could be banned from screening in China, with the obvious financial consequences that go with it.