The Nurse Assessing a Young School-Aged Child Finds That This

The nurse assessing a young school-aged child finds that this child has the skill of classification. Having this skill means the child will be able to do which of the following?

A) Add by 2s up to 10 and subtract back to 0.
B) Name the capitals of the 50 states in the United States.
C) Sort animals according to dogs, cats, horses, and other types.
D) Understand and use the Dewey decimal system in the library.