Segmentation Occurs in Annelids,arthropods,and Chordates

Multiple Choice

Segmentation occurs in annelids,arthropods,and chordates.What can therefore be concluded about segmentation?

A) Segmentation occurs in all animals.
B) Segmentation occurs only in invertebrates.
C) Segmentation occurs only in vertebrates.
D) Segmentation evolved multiple times.
E) The first animal that gave rise to all other animals was segmented.