In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

If enough dirt is able to accumulate over a carcass, then eventually that carcass may (A) be solidified in stone (B) be frozen in carbonate (C) be melted to a tree (D) become a source of water
A