According to the author, it is impossible at present to cut 60% of carbon dioxide emission

According to the author, it is impossible at present to cut 60% of carbon dioxide emissions globally because______.

A．some people are irresponsible

B．it would cause a collapse of the world economy

C．it is only a goal to be reached in the future

D．some people are lacking in imagination

此题为多项选择题。请帮忙给出正确答案和分析，谢谢！