Answer:
B. All living things contain DNA.
Step-by-step explanation:
DNA stands for deoxyribonucleic acid, which is an organic compound whose molecules whose molecules contain the genetic instructions that coordinate the development and functioning of all living things and some viruses. DNA is found in the nucleus of an organism's cells, inside the chromosomes, less in the red cells, which have no nucleus.
Based on this, we can state that the correct answer to your question is the letter B.