Shortly after receiving him I began to notice that my hearing was just not what it had been and that my balance was not either . As it turned out , I eventually received hearing aids . At the same time I began losing all my light perception from glaucoma . Even so , I was determined to stay active .

Q with options: Give answer the following question using evidence from the above passage: Why is the narrator having some mobility problems ?
OPT: A. Their ears are going .; B. Their ankles are going .; C. Their legs are going .; D. None of the above choices .;
A.