Why do authors use irony in fiction and literary nonfiction texts?

A.
to represent an abstract idea with a concrete object
B.
to create a clear image in the reader’s mind
C.
to call attention to certain words by creating rhythm with those words
D.
to create a contrast between how things seem and how they really are

Mary is reading a book that has 135 pages. she can read 18 pages in an hour. if she takes h hours to finish reading the book, the equation that can be used to find the value of h is

Excerpt from an enemy of the people henrik ibsen mrs. stockmann. (turns to the hall door, listening.) i expect that is mr. hovstad coming. billing. very likely. (peter stockmann comes in. he wears an overcoat and his official hat, and carries a stick.) peter stockmann. good evening, katherine. mrs. stockmann (coming forward into the sitting-room). ah, good evening--is it you? how good of you to come up and see us! peter stockmann. i happened to be passing, and into the dining-room). but you have company with you, i see. mrs. stockmann (a little embarrassed). oh, no--it was quite by chance he came in. (hurriedly.) won't you come in and have something, too? peter stockmann. i! no, you. good gracious--hot meat at night! not with my digestion, when peter stockmann enters, what does his physical appearance to reveal about his character?

Describe how byron utilizes literary techniques to illustrate this woman. relate how at least one of these techniques adds to the reader's experience of beauty. your answer should be at least one hundred words.