Dennis' research on eminent individuals shows that __________

A) people are most productive in their 40s.
B) people are most productive in their 30s.
C) people are most productive in their 20s.
D) people are most productive in their teens.

Productive

Relating to or having the power to generate or produce goods, services, or results through effective use of resources.

Eminent Individuals

Eminent individuals refer to people who are highly distinguished or renowned in their fields or professions.