According to M. Harvey Brenner's research, if there is 1% increase in the unemployment rate, how many people will die from cirrhosis of the liver

A．An Economic Misfortune.
B．The Harm of Joblessness
C．An Scientific Research
D．How to Treat The Unemployed

A．It makes them ill.
B．It causes the divorce.
C．it creates a feeling of worthlessness and lack of self－esteem.
D．All above.