Read Each of the Following Essay Introductions

Read each of the following essay introductions. Then select the method the writer used to begin the essay. The essay below begins with a(n)
Most people believe that stress has a negative effect on their lives. Under severe stress, most cannot function effectively ⎯ or at all. Pressured by tight deadlines, heavy workloads, or competitive situations, they may suffer from such problems as anxiety, sleeplessness, or ulcers. Yet stress is not necessarily bad. Contrary to popular opinion, people can learn to turn stress into a valuable asset in the classroom and the workplace.

A) illustration.
B) general idea that is narrowed to a specific thesis statement.
C) contradiction.