Which line in the passage shows how the author emphasizes the need for companies to follow ergonomics in the workplace?
A. people in the workplace looking to prevent of ease these symptoms often seek ergonomic solutions.

B. Using ergonomic principles, engineers have designed specialized desks, chairs, and computer stands to use in the workplace.

C. In fact, many people prefer to stand in front of a desk the entire day.

D. One might say that employers have an obligation to ensure that workstations are providing employees with the ability to move around and maintain proper posture.