In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".
Q: [header] How to write a short book [title] Decide first which type of book you want to write. [step] Here are some options : [substeps] Comic autobiography stories knowledge facts [title] Think for long time. [step] Now as a' common man' you may have chosen comic or stories. <sep> (A) Collect the words and concepts that you need and pick the words appropriate to your personality. [title] Decide how many pages you want your book to carry. (B) (' national novel or historical book') large if you have a lot of information. Comic books are started over by authors of any type and go back decades. (C) A short book also can consist of a novel. Now you know your format or what you have to write about. (D) Now think about the book's size and supporting features. The size of your book will also influence how a reader will think about it and one book is bound to have tons of space.
A:
C