Memory Changes in Old Age Are Explained by Three of the Following

Multiple Choice

Memory changes in old age are explained by three of the following factors.Which of the following is one of those factors?

A) information processing efficiencies that are affected by a person's ability to inhibit relevant information
B) poor nutrition,inadequate diet,and inadequate vitamin and supplement intake
C) environmental factors such as prescription drugs,life changes in adulthood such as less practiced memory,and low motivation
D) biological factors such as brain and body improvements and wellness