16．请听一段独白，完成第14至16小题． 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．
