Read the following article and select the best answer. Article: Just then the police radio says there was a robbery in a supermarket nearby. The police told Mr. Brown to stay there and they would be back soon. Then the police ran to the supermarket. Mr. Brown didn't wait but drove home. When he got home, he was tired and went to bed. Mrs. Brown found a police car in front of their house and the lights were still on. . Question: At last, Mr. Brown _ to go home. - walked - drove his own car - ran - drove a police car
The answer to this question is:
drove a police car