I believe C is the correct answer, the rest of these options are facts.
The literary device used here is C, 'personification'. That literary device is used when you are trying to make an inanimate object come to life, such as here - 'evil forest was alive'.
There are multiple reasons. The most simple answer is because the rain that we consider acidic has a low pH; it has a higher amount of hydrogen ions.
Why does this happen? One is because of the release of sulfur dioxide into the environment to which we humans often contributed. However, it is also possible that increased levels of nitrogen oxide would have this effect as well. And nitrogen oxide can be released through lightning or volcanic eruptions, so these are occurences in nature that don't have anything to do with humans.
Answer:
Marble forms when sedimentary limestone is heated and squeezed by natural rock-forming processes so that the grains recrystallize. If you look closely at a limestone, you can usually see fossil fragments (for example, bits of shell) held together by a calcite matrix.
