单项选择题

Why do people write7 Let’s take a look at some representative writing situations.
A college student taking history learns that she is required to write a ten-to fifteen-page term paper, due in six weeks. Sighing because she has another paper for a different class due the same week, she starts brainstorming (构思) looking for possible topics, while listening to the lecture.
A newly hired manager of a department store is going to meet with her supervisors to discuss her store’s goals for the next three months. Wondering how she is going to meet these goals, she goes back to her office and brainstorms at the computer for two hours. When she is done she has the outline of a plan to present to her staff for discussion. Afterwards, she will write down the group’s ideas in a brief report to her supervisor (上司).
The officers of a new software company meet for the eighth time in a week to write and design their first brochure (小册子) after considerable discussion and even a few arguments about the best way to describe their products and services, they finally agree on the wording of their brochure.
As you can see, people write for a variety of reasons. Many people write because they are required to. The purpose of writing is often to provide the means by which individuals solve problems, make difficult decisions, or better understand complex situations.

We can conclude from this passage that()

A. writing guides company officers in decision making
B. writing helps students fulfill course requirements
C. writing helps a person along with his supervisor
D. writing functions in various ways