Nobody can answer this question because there isn't a passage for us to read, but I can give you a hint; when do the words in the story change from he,her, and they to me,myself, and I? That should give you your answer. Have a great day
This is describing confidence
The answer is A because an adjective is a word that describes something. When you answer "how many?", your answer is a number. A number is not descriptive.
I believe it’s The history of American literature stretches across more than 400 years. It can be divided into five major periods, each of which has unique characteristics, notable authors, and representative works.
Or
The history of American literature stretches across more than 400 years. It can be divided into five major periods, each of which has unique characteristics, notable authors, and representative works.
I’m so sorry if I get it wrong