(B) persistent...irritated
Positive thinking is an attitude that pushes you to expect good and desired results. Power of positivity helps you in creating and transforming energy into reality. Positive mindset helps you to seek happiness, health and a happy ending regardless of the situation. Lots of successful people have recognized the positivity as the key to success.
Disagree, there will always be Hatred and Intolerance in the word, no matter how hard we all try, it is inevitable. It's simply human nature.
it is an adverb clause because enjoyed is acting like a verb
