Hi, i would like for you to know that the options for this answer do not apear to have copied. i would love to help but i do not know the options so yeah. if you put the options then i may be able to answer.
Answer:
For Dickens, a good education could be the bulwark against ignorance, cyclical poverty and crime. Conversely, a badly run school could be the breeding ground for young, cunning criminals or, on the other hand, produce unimaginative, machine-like pupils ready for the industrial factory.
I would say D. because revising is a process in which you want to correct your writing and make it stronger.