In what way is memory related to hippocampus shri

In what way is memory related to hippocampus shrinkage?

A.There is no relation between memory and hippocampus shrinkage.

B.The more hippocampus shrinks,the poorer one’s memory.

C.The more hippocampus shrinks,the better one’s memory.

D.The less hippocampus shrinks,the poorer one’s memory.