Use the Following Figure to Answer the Question

Multiple Choice

Use the following figure to answer the question.

"A" is ________; "B" is ________.

A) the most recent species to evolve on Earth; an ancestor of group "A"
B) the most recent species to evolve on Earth; the last common ancestor of Archaea and Eukarya
C) the common ancestor of all life; the common ancestor of Bacteria and Archaea.
D) the common ancestor of all life; the last common ancestor of Archaea and Eukarya