During a peer review, the chief operational officer of a healthcare unit understands that the newly appointed nurse excels in reminiscence theory. What statement of the nurse confirms this understanding?

a) "Reminiscence theory involves encouraging clients to remember and share their past experiences."
b) "Reminiscence theory involves creating new memories with clients to improve their cognitive function."
c) "Reminiscence theory focuses on using medications to enhance memory in clients with cognitive disorders."
d) "Reminiscence theory involves engaging clients in physical activities to stimulate their memory recall."