单项选择题
A．The two sides of their brain develop simultaneously. B．They are better able to adapt to the surroundings. C．Their bones mature earlier. D．They talk at an earlier age.
A．The government should play a role in reviving the economy. B．The government should provide subsidies for the unemployed. C．The government should not ignore the role of economists in the nation’s economy. D．The government should not brush aside ideas from the World Economic Forum.