Which of the following studies would not likely be characterized as evo-devo?

A)the study of a particular species to see whether or not it has developmental regulation
B)a study of the assortment of homeotic genes in the zebra
C)a comparison of the functions of a particular homeotic gene among four species of reptiles
D)a study of the environmental pressures on developmental stages such as the tadpole
E)a fossil comparison of organisms from the Devonian era