“The global perspective is important with regard to the global warming issue” suggests that ________. (paraghraph 24)
A.
it is justified to say La Niňa accounts for recent weather related disasters on a global scale
B.
regional data about El Niňo contribute nothing to analysis of harsh weather in recent years
C.
regional data alone cannot confirm the global weather change since they are not representative of the global situation
D.
regional data are not necessary for global research of weather