Which One of the Following Children Provides the Best Example

Which one of the following children provides the best example of emergent literacy?

A) Two-year-old Torina tears several pages out of the family telephone book before her parents realize what she's doing.
B) When four-year-old Jack plays school with his older sisters, he fills a sheet of paper with lines of random letters.
C) Donna is only five years old, and already she can read many storybooks independently.
D) Six-year-old Yasser understands basic rules of phonics but does not yet know how to spell many words that are exceptions to the rules.