THE POLICE FOLLOWED THE ROBBERS BUT FINALLY THEY DIDN’T RETURN

17. The police followed the robbers but finally they didn’t return.A. The police followed the robbers but finally they didn’t lost track of them.B. The police followed the robbers but finally they lost track of them.C. The police followed the robbers but finally they track of them.D. The police followed the robbers but finally they lost track them.