Which of the Following Facts Provides Evidence for Endosymbiosis

Which of the following facts provides evidence for endosymbiosis?

A) Mitochondria and chloroplasts have their own DNA, which replicates independently of the nuclear DNA.
B) Ribosomes in mitochondria and chloroplasts have a structure similar to bacterial ribosomes.
C) Chloroplasts have certain gene sequences in their DNA, which indicate a relationship with cyanobacteria.
D) Both "a" and "b" above provide such evidence.
E) All of the above provide such evidence.