The success of a government should be       in terms of the health and happiness of the people as well as the development of economy.

A．measured

B．observed

C．benefited

D．built

下列哪种药物可以拮抗甲氨蝶呤

A．鱼精蛋白
B．全反式维甲酸
C．四氢叶酸钙
D．亚砷酸
E．泼尼松