单选题 It will be safer to walk the streets because people will not need to carry large amounts of cash; virtually all financial ______ will be conducted by computer.
[A] transactions [B] transmissions [C] transitions [D] transformations

【正确答案】 A
【答案解析】transaction交易；transmission传送，传递；transition过渡，转变；transformation改变；具体变化。句意：因为人们不用携带大额现金，在街上走就更安全；而实际上所有的金融交易都由电脑完成。