Answer:
(C) Clovis was the first Germanic king to convert to what is now known as Catholicism.
Explanation:
King Clovis is known to be the First king of France to unite all the tribes under the control of one king, passing the territory to his heirs after that.
After the fall of the Great Roman Empire at that time, the Catholic Church became the only stable organization in the west and many started converting to Christianity. Thinking it would help him to gain more power and prestige over his rival kings, and with Catholicism being a large movement then, Clovis has made the decision to convert his religion to "Christianity" in 496.
His conversion affected many of his people being it unusual in the Germanic tribes, and many followed his lead, making it more powerful and by achieving his plan of expanding his territory and defeat other chiefs.