It is so cold here in Zhengzhou this winter that it seems as if we ______ in Iceland.

A．are

B．have been

C．were

D．had been

“君子之为学，以明道也，以救世也。徒以诗文而已，所谓雕虫篆刻，亦何益哉！”与此观点相符的是（）

A.孟子的“仁政”

B.黄宗羲的“人民为主”

C.王阳明的“心学”

D.顾炎武的“经世致用”