【题目】With the help of high technology in the past few years, electronic business _______ to bank industry and travel industry..
A. applied B. have applied
C. has been applied D. had been applied
在线课程【答案】D
【解析】本题考查时态。根据句中时间状语in the past few years，故用现在完成时。electronic business与apply之间为被动关系，故选D。