What Data Suggested That Guppies Distribute Themselves in Two Food

What data suggested that guppies distribute themselves in two food patches according to the ideal free distribution model?

A) The ratio of individuals matched the ratio of food provided in the two patches.
B) Dominant individuals settled in the high-quality patch.
C) Competition was more intense in the high-quality patch.
D) Energy intake rate was correlated with food patch quality.
E) Fitness of individuals was a function of food patch quality.