The lack of eco-friendly habits among the public is thought to be a major _____ of global climate change. [ ]

A. result

B. cause

C. warning

D. reflection

FAB分类，哪项POX反应、非特异酯酶均阴性（）

A.M2a

B.ALL-L3

C.M3b

D.M5

E.M4EO