Answer:
Example of dependent clause:
I'm not tidying the dishes unless Sarah helps.
Unless Sarah helps is your dependent clause because can't stand alone as sentences.
C explains all points of the conclusion
To portray a subject using vivid language.
"A big band blares its harmony" is the Alliteration here. This is the definition of Alliteration to help with any other questions;
"The occurrence of the same letter or sound at the beginning of adjacent or closely connected words"
I think its A! I hope this helps.
