Which Description of Development Best Describes a School-Age Child

Which description of development best describes a school-age child?

A) She is able to work on resolving conflicts, and she is able to use symbols for reading and writing.
B) She is able to think abstractly and use sophisticated reasoning, and she is ready to focus on academic skills.
C) He is able to distinguish letters, numbers, and words, and he is beginning to develop empathy.
D) He is somewhat egocentric, and he needs plenty of opportunities to play with writing through painting, drawing, and copying.