
Passage: In the history of China, officials were generally given lower salaries, so that the emperor could control him, because after the salary was low, officials would definitely be corrupt. The emperor can seize this handle and punish him if he wants to. If the salary is high and officials don't need to embezzle, the emperor can't punish him.
Question: Which of the followings is an assumption of the above argument that is dependent?
A. A.Forcing officials to embezzle was the stupidest way the emperor could control officials.
B. B.Forcing officials to embezzle was the cheapest way for the emperor to control officials.
C. C.Forcing officials to embezzle was the only way the emperor could control them.
D. D.Forcing officials to corrupt is the emperor's best way to control officials.
Answer: