Do you remember            last time?[ ]

A. what is your teacher saying

B. what your teacher said

C. what did your teacher say

D. what your teacher says

以财政赤字产生的原因和经济背景可将赤字划分为（）

A.预算赤字

B.决算赤字

C.结构性赤字

D.周期性赤字