It will be safer to walk the streets because people will not need to carry large amounts of cash; virtually all financial transactions will be conducted by computer.
句意：因为人们不必再携带大量现金，所以走在路上比以前更安全了，事实上几乎所有的金融交易都将由计算机进行。virtually事实上；实质上。practically实际上；事实上。needlessly不必要地。A选项与划 线处意义相符，故选A。