Answer:
The correct answer is - option a.
Explanation:
Prefrontal lobe is the part of the prefrontal cortex that helps in developing various function and behaviors in a person which is in adolescence is develop slower than emotion center. It is responsible for the managing emotional reactions.
Caitlin is in adolescence so her emotion center is more developed than the prefrontal lobe so she is affected more than her older sister.
Thus, the correct answer is - option A.