Research on Children Using American Sign Language as Their First

Research on children using American Sign Language as their first language indicates that:

A) the children have fewer vocabulary words than their hearing peers at the same level.
B) the children have greater vocabulary words than their hearing peers at the same level.
C) deaf children make the same errors and learn language elements in the same sequence as hearing children.
D) deaf children make more errors, such as pronoun reversal, than hearing peers at the same level.