It CANNOT be inferred from the passage that______.A．the department knows little respecting

It CANNOT be inferred from the passage that______.

A．the department knows little respecting the science of global warming

B．the department is in the passive position in some cases

C．some social groups play significant roles in protecting environment

D．the department is reluctant to link heat-trapping gases with declining polar bear

请帮忙给出正确答案和分析，谢谢！