The correct answer is C. Prewriting
Step-by-step explanation
To write a text we have to follow a series of steps. The first is prewriting, in which it is decided which the main topic, the point of view about that topic, the objectives of the text, and a style of writing. Secondly, we must review other sources related to the main topic. The third step is writing taking into account the parts that it must contain (beginning, development, and conclusion). Then, the fourth is reviewed text again to correct some writing errors. According to the above, the correct answer is C. Prewriting.