问题描述：
高中英语选择题 有人回答就采纳
With the help of high technology in the past few years, electronic business ___D___ to bank industry and travel industry.
A. applied B. have applied
C. had been applied D. has been applied
With the help of high technology in the past few years, electronic business ___D___ to bank industry and travel industry.
A. applied B. have applied
C. had been applied D. has been applied
问题解答：
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