Which of the Following Statements Most Likely Apply to the Earliest

Multiple Choice

Which of the following statements most likely apply to the earliest cells?

A) They were prokaryotic cells.
B) It is likely that earliest cells did not have a nucleus but had membrane-bound organelles.
C) The earliest cells may have used oxygen gas in order to thrive successfully.
D) Energy from the sun may have been used by the earliest cells.
E) All of these statements most likely apply.