C because of the same time we had a lot to
Receptors are groups of specialised cells. They detect a change in the environment stimulus. In the nervous system this leads to an electrical impulse being made in response to the stimulus. Sense organs contain groups of receptors that respond to specific stimuli.
I think the answer is A, i dont know for sure tho. But it's the only one that makes sense to me.
Sorry if it's wrong
Hope this helps!! :-)
