答案:C
_______ from the top of the building when the policeman pointed the gun at him.
A.Jumped down the robber
B.Jumped the robber down
C.Down jumped the robber
D.Down the robber jumped
市场预测中,定性预测方法包括()。
A.直线趋势法
B.德尔菲法
C.市场试销法
D.市场因子推演法