In which sentence is the word “relevant” most correctly used?

A. Relevant to my interest in Korean pop, I spend a lot of my spare time singing and dancing.

B. The composition was relevantly-written and was awarded with an “A” grade.

C. The article was relevant to my research topic, providing insights and perspectives that were valuable and useful.

D. The article was relevant to my favourite TV show, which was not related to my research topic at all.