Which of the Following Is NOT an Example of How

Which of the following is NOT an example of how selection is able to produce complex evolutionary changes in remarkably short periods of time?

A) Using artificial selection, people intentionally created dozens of different forms of domesticated pigeons in just a few hundred years.
B) A study of fish from the genus Poeciliopsis shows that short generation times allowed three different types of placenta to evolve in less than 2.4 million years.
C) Theoretical studies of the evolution of the eye in an aquatic organism show that because of a short generation time, a complex eye could evolve in less than a million years.
D) The fossil record indicates that the human brain took 2 million years to double in size.