单项选择题
A.The study of Emu oil.B.The use of Emu oil.C.The effec……
Question 10 is based on the following news. At the end of the news item, you will be given 10 seconds to answer the question.
Now listen to the news.
A.The study of Emu oil.
B.The use of Emu oil.
C.The effect of Emu oil.
D.Neither of above choices.