Which of the following senses is most closely related to balance?
a. hearing
b. smell
c. touch
d. taste

Hearing is the sense that is most closely associated with balance. The correct option among all the the options given in the question is option "A". It is very obvious that the other options given in the question cannot relate to the sense of balance. the fluid present in our eardrum helps to keep the balance of the body. If the fluid dries up, then the person is sure to have a balancing problem.