--The apple tastes very nice. Could I have another apple, Sir?

--_________.

A．Yes, you could

B．Mind your hand

C．I’m sorry

D．Be my guest

T1载波采用（1）复用技术，将（2）路话音复用在一条通信线路上，每路话音信号要经过编码器进行采样，采样频率为（3）Hz。空白（2）处应选择（）

A.16

B.24

C.59

D.124