In the Context of the Development of Hearing, Which of the Following

In the context of the development of hearing, which of the following is true?

A) Neonates can crudely orient their heads in the direction of a sound.
B) By nine months of age, the accuracy of the sound-localizing ability of infants approaches that of adults.
C) Till the age of three months, babies are unable to distinguish between speech sounds that are highly similar.
D) Infants can discriminate the sounds of their parent's voices by one month of age.