Every drug has some side effects.

A．The poor community has shaken off poverty and people arc well-fed now.
B．Obesity is becoming a problem in the developing world too.
C．Excessive weight increase will cause no less harm than the food shortage.
D．The problem of overweight emerges very fast.

A．other western countries has been defeated by fat
B．obesity has become an epidemic (流行病) of the rich world
C．waistbands begin to be popular in other western countries
D．western countries can no longer fight against obesity