Question: For how many years was Fox the highest rated network with young adults because of American Idol?

Is "Its success also helped lift the ratings of other shows that were scheduled around it such as House and Bones, and Idol, for years, had become Fox's strongest platform primetime television program for promoting eventual hit shows of the 2010s (of the same network) such as Glee and New Girl." the correct answer?
Available options: a. yes. b. no.
b.