Which of the following strongly supports the endosymbiont hypothesis of eukaryotic evolution...? Mcqs

Which of the following strongly supports the endosymbiont hypothesis of eukaryotic evolution...?

(A) Mitochondria and chloroplasts both have DNA

(B) Mitochondria is free living

(C) Both A and B

(D) None of the above

Source: This question is taken from the Everyday Science