The Major Difference Between the Oral-Aural Method and the Total

The major difference between the oral-aural method and the total communication method is that

A) amplification is not used in the total communication method, although speech and speech reading are taught.
B) the oral-aural method does not use signing and finger spelling.
C) the oral-aural method uses finger spelling but not American Sign Language.
D) the total communication approach uses only oral methods for young children and signing for older children.