Final answer:
An ergonomics expert would be most concerned about desk shape in an office. Therefore, the correct option is B.
Step-by-step explanation:
An ergonomics expert would be most concerned about desk shape in an office. Ergonomics is the science of designing and arranging workplaces to fit the people who use them. The shape and design of a desk can greatly impact the comfort and efficiency of workers.
For example, a desk that is too high or too low can lead to poor posture and musculoskeletal issues, while a desk with limited surface area can hinder productivity.