Bail pending trial: People's courts, people's procuratorates, and public security organs order the defendant to provide a guarantor, which guarantees the defendant not to evade or obstruct the investigation, prosecution and trial, and a mandatory measure that follows. According to the above definition, which of the following situations is a warrant pending trial? ["Zhang Qing was sentenced to one year's imprisonment for the crime of injury, because he was a first-time offender and had a very good guilty attitude. There is no need to go to prison to serve a sentence. During the test period, Zhang Qing's unit will inspect it.", 'Wang Rong, female, was sentenced to eight years in prison for manslaughter. While serving his sentence, Wang was actively transformed and released four years later, but a four-year trial period was provided. The sentence will no longer be enforced. During the test period, it will be supervised by the public security organs.', "Dong, female, was examined by the procuratorial organs for suspected corruption, and the corruption was found to be substantial and the amount should be arrested. However, considering that his child is under one year of age, the inspectors decided not to detain before the verdict. The head of her unit has come forward to guarantee that she is at any time subpoenaed by the prosecutor's office and the court.", 'Ma was sentenced to five years in prison for fraud. He suffered severe rheumatic heart disease after serving two years in prison and was sponsored by his family to be transferred to a hospital for treatment. The public security agency was responsible for supervision during the treatment period. He recovered after six months Serve the remaining sentence in prison.']