Answer: Bayani felt a sense of euphoria as he jumped off the bridge into the water below.
Explanation:
Euphoria means intense happiness or excitement.
The correct answer is <em>vain</em>.
A vain person is a person who is too pleased with themselves, and <em>vain</em> and <em>conceited</em> are synonyms (words which have the same meaning and can be used interchangeably).
Modest, which means, not proud, or believing that one isn't important, is synonymous with humble and these two words can also be used interchangeably.
A.
It's up to you to decide what to do.
In this sentence, it's stands for a contraction for it is.