In the geologic timescale used by our author,the sequence of eons and eras beginning with the earliest era and proceeding forward to the most recent era is

A) Paleozoic - Proterozoic - Archean - Mesozoic - Cenozoic.
B) Archean - Paleozoic - Proterozoic - Cenozoic - Mesozoic.
C) Mesozoic - Cenozoic - Paleozoic - Proterozoic - Archean.
D) Archean - Proterozoic - Paleozoic - Mesozoic - Cenozoic.
E) Cenozoic - Archean - Mesozoic - Paleozoic - Proterozoic.