Answer:
B) crystallized intelligence
Step-by-step explanation:
Crystallized intelligence: In psychology, the term "crystallized intelligence" was proposed by a psychologist named Raymond Cattell, and is described as the capability of an individual to utilize knowledge, skills, information, or wisdom that is being acquired by him or her through past experience or learning.
Example: Knowledge of an individual associated with facts.
In the question above, the given statement represents that Kyra's grandfather is best displaying crystallized intelligence.