52单词网 > 高中英语 > 高中英语题库 > Over the past decades, sea ice in the Arctic as a result of global warming. A. h

Over the past decades, sea ice in the Arctic as a result of global warming. A. h

来源:网络 时间:
Over the past decades, sea ice in the Arctic as a result of global warming. A. h

 

Over the past decades, seaice ______in the Arctic as a result of global warming.

A.had decreased                                      B.decreased    

C.has been decreasing                              D.is decreasing

 

试题答案

【答案】

C

【解析】