Answer:
It is a sentence.
Explanation:
S V DO
<u>The sound of ringing bells</u> marked <u>the end of a beautiful wedding service</u>.
It's probably c. Either a necklace or earrings looks nice with that dress.
because i kinda feel like it agrees with its compound subject like u said. but i'm not really sure if that's riight although i just wanted to help that's all there's to it. :)
