"The process by which a stimulus loses its attention-getting abilities by virtue of its familiarity is known as ."

HABITUATION

Explanation: Habituation is the term used to describe stimuli that have lost their attention getting ability by virtue of familiarity.

HABITUATION shows that the individual has gotten so used to a given stimulus or sets of stimuli,which makes them unattractive and the individual looses focus or attention on them,they are no longer seen as valuable as the individual have been familiar with such a stimulus or sets of stimuli.

your answer should be c) enjoy!