<span>This example is used to illustrate the point that there are times when context and purpose are not enough to resolve all issues or questions. Context means that you are considering your audience, where purpose means that you are understanding and contemplating why you are doing or stating something. Here, the author is illustrating how these can be unimportant to a solution.</span>
The answer would be D. Shrubs, fungi, insects, and bacteria. Shrubs and fungi are definitely main decomposers and insects and bacteria do consume dead matter and waste so they also count as decomposers.
Tobias drank from a contaminated water fountain