Which One of the Following Statements Supports the Endosymbiotic Theory

Which one of the following statements supports the Endosymbiotic Theory for the origin of mitochondria?

A) The mitochondria divides by a mechanism employing tubulin-like proteins
B) The mitochondria contains DNA enclosed in a membrane
C) The mitochondria contains lipids similar to bacterial lipids.
D) The mitochondria replicates on the same cycle as the nucleus.
E) The mitochondria is the approximate shape and size of a bacterium.