The reason Luna can use the song now is likely because the skating routine is now considered an audiovisual work because it is on TV. This means that the context in which the song is used has changed, and it may be allowed under certain copyright rules, such as those associated with performance rights and the way audiovisual works are treated.
It's also worth noting that different broadcasting and performance guidelines can change over time, making it possible for songs with lyrics to be used in performances that are televised. Hence, the correct choice in your list would be related to the context of the performance as an audiovisual work.