What was NOT a key characteristic of the common ancestor of all life?

A. It had DNA as its genetic code

B. It used ATP as a form of energy

C. It contained its DNA in a protected nucleus

D. Through transcription, its DNA made RNA which then made proteinsWhat was NOT a key characteristic of the common ancestor of all life?
C.What was NOT a key characteristic of the common ancestor of all life?
The answer is speculation since the Last Universal Common Ancestor has never been identified, and might never have existed.