单选题
When I was walking down the street the other day, I happened to notice a small black leather bag on the street. I picked it (41) and opened it to see if I could find out (42) owner's name. There was nothing (43) except some change and an old photo—a woman and a young girl about twelve years (44) , who looked like the (45) daughter. I put the photo (46) and took the bag (47) the police station, where I (48) it to the policeman. Before I (49) , the policeman took down my name and address in case the owner might want to write and (50) me.