Although Rare, Rock Fragments of Mars Have Reached Earth After

Although rare, rock fragments of Mars have reached earth after having been blown into space during meteorite impacts, and could possibly have transported organisms like nanobacteria with them. What type of organism would support this hypothesis?

A) organisms whose overall dimensions were smaller than most cellular components
B) organisms that used a molecule very different from DNA during their reproduction
C) organisms that were simultaneously producers and consumers
D) organisms that resisted decomposition following death.