Which of the Following Statements Is Most Consistent with the Information

Multiple Choice

Which of the following statements is most consistent with the information in the figure?

A) Fossils of brachiopods and arthropods first appeared during the Cambrian, but these groups had ancestors that evolved before the Cambrian.
B) Fossils of sponges and cnidarians first appeared during the Cambrian, but these groups had ancestors that evolved before the Cambrian.
C) Chordates evolved from echinoderms.
D) Sponges and cnidarians first evolved during the Cambrian.