C
Below is a question with multiple-choice answers. Choose the correct option based on your reasoning.

### Question:
Laundry detergents were once manufactured to contain high concentrations of phosphorus compounds. When waste water containing these compounds ran off into lakes, the phosphorous became a nutrient to algae. As algae populations increased in the lakes, succession accelerated. Over a long time, which would a lake become as a result of the phosphorous in the detergent?

### Choices:
A. canyon
B. desert
C. swamp
D. river

### Answer:
