It is now being sent to his home by train.关于这句中it is部分的时态的疑问
the policeman told him, the bicycle was picked up in a small village four hundred miles away. It is now being sent to his home by train.这句是新概念二里的句子,整句是一个间接引语.为什么在这里用it is 而不是用it was? 感觉应该用过去式才对啊.求解,谢谢谢谢!