Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
Why did the asshole win the boss at last

A．The asshole controlled the whole body’s responses and functions.
B．When the asshole refused to work, other parts fell into troubles.
C．The asshole carried the brain about and got him to where he wanted to go.
D．The asshole did all the work and earned all the money.