The author uses flashback in this story to show A. the misunderstanding between Rob and Adrian. B. the deteriorating health condition of Piyush. C. the history of Rob and Piyush's friendship. D. the relationship of Adrian and Rob's family.

C. the history of Rob and Piyush's friendship.

Explanation:

Remember, the term flashback often refers to a sudden portrayal or recounting of an earlier moment or event in a story.

Therefore, we could recall that the flashback showcase how the friendship between Rob and Piyush was formed back in time.

The author thereby allows his readers to have an insight into the history of the friendship between Rob and Piyush.

i'd say the answer is nuisance. i hope i .

an argumentative essay presents objectively a topic and its main characteristics. besides, it states all this information and facts by giving authentic and substantiated proof to the audience. by contrast, a persuasive text purpose is to convince the audience about some facts by presenting them according to his/her emotions and feelings. the main purpose of a persuasive text is to convince the audience to agree with the author´s opinion. on the other hand, in the argumentative essay, the author leads the writer to recognize his/her point of view as the correct one.