What Is the Evidence That Visual-Recognition Memories Can Last Half

What is the evidence that visual-recognition memories can last half a century for those in late adulthood?

A) The pulse rate of older adults increased when they were presented with a picture of a "B list" celebrity from their youth nearly 70% of the time.
B) Fifty years after graduating high-school, subjects recognized former classmates 75% of the time.
C) Eye scanning technology detected pupil dilation in older adults 80% of the time when they viewed pictures of former elementary school teachers.
D) When adult men aged 70 and older were presented with images of sports figures from their childhood, EEG recordings showed heightened activity 85% of the time.