16.請聽一段獨白,完成第14至16小題.
14.What does the speaker mainly talk about?
A.The history of cola.
B.The sale of cola.
C.The development of soft drinks.
15.How was cola sold in the beginning?
A.As a soft drink.
B.As a medicine.
C.As cooking oil.
16.Why does the speaker mention John S.Pemberton?
A.Because he sold cola to doctors.
B.Because he worked in a drugstore.
C.Because he invented cola as a medicine.