China ________ distance teaching methods such as television so far．

China ________ distance teaching methods such as television so far．

A.adopted

B.has adopted

C.has adapted

D.adapted

答案及解析： B

解析：

由so far“迄今为止”可知，应用现在完成时，本句表示“中国采用了远程教学”．adopt采用，采纳；

而adapt适应．