Which of the Following Statements Is Inaccurate Regarding the Opening

Which of the following statements is inaccurate regarding the opening in a cover letter for an unsolicited job?

A) If you are unsure whether a position exists, use a more persuasive opening.
B) Demonstrating knowledge of the reader's business may convince the person to read on.
C) Show how your special talents will benefit the company to convince the readers you can do something for them.
D) Be vague about the type of position you're seeking so that you might be considered for a variety of jobs.