Read the following paragraph and select the correct answer. a prison taint was on everything there. the imprisoned air, the imprisoned light, the imprisoned damps, the imprisoned men, were all deteriorated by confinement. as the captive men were faded and haggard, so the iron was rusty, the stone was slimy, the wood was rotten, the air was faint, the light was dim. like a well, like a vault, like a tomb, the prison had no knowledge of the brightness outside; and would have kept its polluted atmosphere intact, in one of the spice islands of the indian ocean. (from little dorrit, book the first, chapter 1, by charles dickens) what is the main idea of this paragraph?

the prison was dark and empty.
the prison was on one of the spice islands.
a prison taint was on everything there.
the prison had no knowledge of the brightness outside.