Answer:
to support your main ideas
Explanation:
to support your main ideas
1. (choice B) 500 ce. continuing
2. (choice D) a book called the history of the kings of Britain , and this
3. (choice C) cited
4. (choice C) many historians believe that the french poet chrétien de troyes was the original writer to introduce lancelot’s character into the romance of arthur and guinevere.
5. (choice B) was enduring
I'm assuming ringing is the underlined word, so I'd go with A. participle.
