Please Listen to the following TED talk and answer the questions followed.（5分29-5分52秒）The speaker then describe the most important conclusion from the physics， first，（）， and second，（）.
A.first， from Earth'；s radiation balanceand， second， from Earth'；s climate history
B.first， from Earth'；s energy balanceand， second， from Earth'；s changing geographical history
C.first， from Earth'；s energy balanceand， second， from Earth'；s warming history
D.first， from Earth'；s energy balanceand， second， from Earth'；s climate history
正确答案：first， from Earth'；s energy balanceand， second， from Earth'；s climate history