In old days,the poor __________a great deal to make a living,didn't they?A sufferedB suffered from C offeredD provided

In old days,the poor __________a great deal to make a living,didn't they?
A suffered
B suffered from
C offered
D provided

选择 ：A .在过去,穷人们痛苦地生存着,不是吗?

A吧。。。。。。