For this answer I would go with D. Retinalogic. It is not a vitamin.
Cell division
protein synthesis
growth and metabolism
C, Perfomance enhancing drugs. AKA steroids.
If this was the appropriate answer make sure to mark as the brainliest!
<em>Answer:</em>
<em>The Doctor may suspect that the cancer runs through the family. Why, because if three different people all have the same exact cancer then it must means that it's in their genes or genotype from the parent passed down to the offspring.</em>
Explanation:
