A.Take the initiative.
B.Lead by example.
C.Change their traditional functions.
D.Add climate topics to their programs.
参考答案B
解析:推理判断题。根据最后一段中的"While museums can be apowerful way of... they should also practice what they spread and control theirown emissions (排放物)museums have a duty to beenergy-efficient.., materials" 可知 ,Goodger认为博物馆应该践行他们所传播的东西,控制自己的排放物,有责任做好节能。由此可推知,Goodger可能建议博物馆以身作则,起好带头作用。故选B。