Questions 12 to 15 are based on the conversation you have just heard.

A．To give Sarah an exceptional example.
B．To support his idea that women blush more than men.
C．To introduce Brian to Sarah.
D．To tell Sarah men also blush a lot.

A．An Ear for Music.
B．Music Appreciation.
C．Muscle Participation in Mental Acts.
D．A Definition of the Thinking Process.