单项选择题

What is the best title for this passage

A．An Economic Misfortune
B．The Harm of Joblessness
C．An Scientific Research
D．How to Treat The Unemployed
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单项选择题
According to M. Harvery Brenner's research,if there is 1% increase in the unemployment rate, how many people will die from cirrhosis of the liver
A．37,000.
B．20,000.
C．900.
D．500.
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