Answer:
a. sensory adaptation
Explanation:
Sensory adaptation -
It refers to the adaptation of any stimulus , with continuous subjection , is referred to as sensory adaptation .
The senses of the body reduces to react or feel any stimuli on the regular exposure or regular usage of it .
For example ,
Listening to the same thing again and again makes the body resistive for it .
Hence , from the given scenario of the question ,
The correct answer is a. sensory adaptation .