What is the synonym (word that means the same) for "complete sentence"? (a) dependent clause (b) independent clause (c) adjective clause (d) santa claus

The best description of the theme presented in the resolution of "lost” is that a crisis can people appreciate life’s joys. cause people to act selfishly. bring enemies together. drive two friends apart.

Which should be added after the sentence 6 to most effectively move a the plot forward

The tone of the speech most expressive the feeling of gratitude triumph acceptance frustration