Time Safari, Inc. guarantees only B. THE DINOSAURS.
This is a part of the story "A Sound of Thunder", where the character, Eckels, entered the office of Time Safari, Inc. and in a conversation with the company clerk, Eckels found out that the company guarantees nothing but encounters with dinosaurs.
The internal structure of a piece of writing is known as organization. The term refers to how you organize your writing - the way you sequence your paragraphs, how you connect them, the way you transition from one thought to another. There are various ways to organize your work, and you should choose the one which suits you best.
