Which of the Following Best Characterizes the Acquisition of Sign

Which of the following best characterizes the acquisition of sign language by the deaf children of deaf parents?

A) They begin acquiring signs much later than hearing children begin acquiring words.
B) They proceed through babbling, holophrastic, and telegraphic stages just as hearing children do.
C) They acquire sign language readily, but it makes learning oral communication more difficult later and is, therefore, not recommended by many educators today.
D) They begin acquiring signs nearly six months earlier than hearing children begin acquiring words.