With the help of high technology, in the past few years, electronic business __________          to bank industry, travel industry.
A．a(chǎn)ppliedB．have applied
C．had been appliedD．has been applied
D
本題考查時(shí)態(tài)。根據(jù)句中時(shí)間狀語in the past few years，故用現(xiàn)在完成時(shí)。electronic business與apply之間為被動(dòng)關(guān)系，故選D。
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