As Human Beings, We Encounter a Great Many Stimuli at Any

As human beings, we encounter a great many stimuli at any one time.Which one of the following most accurately reflects cognitive psychologists' perspective about how we respond to all these stimuli?

A) By learning to use effective long-term memory storage processes, we can eventually begin to remember almost everything we encounter.
B) We must select the things we think are most important to learn and remember, and ignore the rest.
C) We remember virtually everything we experience, but we have difficulty retrieving most of it.
D) We cannot remember everything, and we have little control over the things that we do remember.