Craig and His Friend Jose Are Playing

Craig and his friend Jose are playing. Craig grabs Jose's truck and runs away yelling, "Truck." Jose turns to his mother, cries, and says, "Truck!" Craig's mother retrieves the truck and gives it back to Jose. Jose smiles and says, "Truck." These babies are demonstrating

A) a lack of social skills.
B) holophrastic speech.
C) overextension.
D) telegraphic speech.