A dependent clause can act as an adjective, adverb, or noun.
C. it shows a strong emotion because the sentence begins with "I think"
That would be a work sited page or its considered plagiarism.
I believe that the best answer for this question would be Apollo. "Delian" refers to the location of Apollo's birth, which is the island of Delos. Apollo was also known as a "Healer." He was known as "the Healer" and brought both healing and prevention of disease and sickness to the world. Hope this helps.