As People Get Older, the Structure of the Brain Itself

As people get older, the structure of the brain itself changes as the brain shrinks in size and the ventricles become larger; however, different parts of the brain shrink at different rates: the ________ shrink more quickly, while the ________ shrink more slowly.

A) occipital lobes; the frontal lobes
B) frontal lobes; the temporal and occipital lobes
C) parietal lobes; the frontal lobes
D) frontal lobes; the parietal