单项选择题

Questions 18 to 20 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
Now listen to the passage.

The expression "to end up with the upper hand" means ______.

A.to begin a job
B.to be in control
C.to be out of control
D.to take over the business
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单项选择题
C