Which of the following is associated with an elevated urine level of homogentisic acid?

A) Infants may present with poor feeding, vomiting, lethargy, hypotonia, and seizures.
B) Children may present with ectopia lentis.
C) Adults may present with ochronosis characterized by dark pigmentation of the ligaments, cartilage, fibrous tissues, skin, and urine.
D) Infants have a lighter skin complexion and some develop seborrhea or eczema.

C