Final answer:
Option d, knowing the temperature at which a steak is well done, is an example of crystallized intelligence, which involves using learned knowledge and experience.
Step-by-step explanation:
The question "Which action reflects an example of crystallized intelligence experienced during middle adulthood?" is best answered by option d. Knowing the temperature at which a steak is well done. Crystallized intelligence is the ability to use learned knowledge and experience. Knowing the temperature at which a steak is well done is a clear example of using learned knowledge - it reflects accumulated facts and data over time. In contrast, solving a puzzle, identifying patterns, or problem-solving a situation encountered for the first time would be reflective of fluid intelligence, which relies on the ability to solve new problems, use logic in new situations, and identify patterns.