By advancing the theory of （）, Bacon showed the new empirical attitutes toward truth about nature and bravely challenged the medieval scholasticists.

A．There are few mineral resources in America.
B．Excessive explorations and large consumption have exhausted many resources that are not renewable.
C．Geographic change and Climate effect.
D．Terrorist has burnt it over.

A．allows the human race to progress technically
B．encompasses both the physical and social sciences
C．demonstrates human vulnerability
D．defines man's essential humanity