Q: In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.
Question: What age was Tina Turner the year Everett started by performing with her? Passage:In 2008, Everett started by performing with one of her idols, Tina Turner, at the 2008 50th Annual Grammy Awards with Beyonce. She featured in the video for "Love in This Club" by Usher and began a working relationship with him. In October of the same year, the video for "Single Ladies (Put a Ring on It)" was released, which featured a J-Setting choreography and contained only Beyonce, Everett and dancer Ebony Williams. It has since gone viral, amassing over 580 million views and has been recreated thousands of times. It also won the MTV Video Music Award for Video of the Year. Everett featured in videos for both "Ego" and "Sweet Dreams" from I Am... Sasha Fierce (2008), and begun her second worldwide tour with Beyonce, on the I Am... World Tour (200910). Here, Everett performed as the female Dance Captain for the entire tour. In 2010, Everett begun a working relationship with Ne-Yo and featured in three of his music videos from his album Libra Scale (2010); "One in a Million", "Champagne Life" and "Beautiful Monster". In 2011, Everett featured in three videos from Beyonce's 4 (2011).
Links: a. One in a Million (Ne-Yo song) b. Ego (Beyonce song) c. Tina Turner d. Libra Scale
A:
c