Ryan began his speech by saying:Imagine that you are on a deserted island—palm trees sway in the breeze, the warm sun is on your face, and the smell of tropical flowers is in the air. Suddenly, the sound of distant drums breaks your euphoria. What do you do—panic? What would you do if you found yourself in such a situation?What kind of supporting material did Ryan use in his introduction?

A.Artificial simile.

B.Hypothetical example.

C.Extended metaphor.

D.Synthetic example.

正确答案：Hypothetical example.