The author of this selection interviewed Michael, who works in construction. Based on this excerpt, which two of the following statements are correct?
A. Most people in their 40s have such severe arthritis that they have both knees replaced.
B. It is unusual for someone Michael’s age to have both of their knees replaced.
C. Michael would most likely have had respiratory and joint issues regardless of his job.
D. Michael has worked with concrete in the construction business for most of his adult life.
E. Health and safety risks in all occupations are carefully monitored to protect workers.