下列对文字狱的解释,最准确的是( )
A:迫害知识分子的冤狱
B:为关押知识分子而设立的监狱
C:因文字犯罪被捕入狱
D:为加强文化专制而设立的监狱
Nobody can imagine what difficulty we had ________ home in the snowstorm.