Mom Billie and Dad Bob Are Discussing the Abilities of Their

Multiple Choice

Mom Billie and dad Bob are discussing the abilities of their two-month-old son Thorton. Billie claims that Thorton can recognize both of his parent's voices. Bob says that Thorton cannot recognize either voice. If Thorton is a typical two-month-old, then who is correct?

A) Billie
B) Bob
C) Neither, as Thorton can likely recognize Billie's voice but not Bob's voice
D) Neither, as Thorton can likely recognize Bob's voice but not Billie's voice