Mitochondrial Disorders Are Probably Very Rare Because

Mitochondrial disorders are probably very rare because

A) people have many mitochondria, so the healthy ones can substitute for the affected ones.
B) as oocytes formed, those with harmful mitochondrial mutations did not have sufficient energy to survive.
C) they are difficult to diagnose because most physicians have forgotten what mitochondria are.
D) they do not produce symptoms.
E) they are not inherited from the father.