The last thirty years _____ the greatest number of laws stopping our rights and progress,until today we

have reached a stage ____ we have almost no rights at all.[ ]

A. saw; which

B. have seen; that

C. saw; where

D. have seen; where

据白居易《观刈麦》的描述，农家很少有空闲的月份。请问几月来时人们更加繁忙呢？