The duty-payers concerned may make online declarations by way of electronic data transmission _____ to the importation so as to enjoy expedited Customs clearance procedures.
Aprefer
Bprior正確答案
Cpertain
Dpursuant
答案與詳解
prior to 為介系詞片語,意為「在…之前」。報關人在進口「之前」先以電子資料傳輸方式線上申報,才能享有快速通關,語意與文法皆通。
