—Could you tell me________?

—About two months．[ ]

A．when are you leaving for Shanghai  

B．how often you go to the school library

C．how many tickets have you booked  

D．how long you have been at this school

首次将直接选举的适用范围扩大到县级及县级以下人大代表选举的是（）。

A.1953年选举法

B.1979年选举法

C.1982年选举法

D.1986年选举法