人类历史上最早出现的监狱是______。

A．原始社会的监狱
B．氏族公社的监狱
C．奴隶制国家的监狱
D．封建制国家的监狱

In the old clays,  most. teenagers had to work for the landlord(地主)in  the field to help_______ heir families, because their  families couldn't_______ education for them.  What a pity!  [ ]

A. support; supply    

B. afford; support  

C. support; afford    

D. afford; give