If the following experimental results were obtained, which would be evidence against DNA being the genetic material?

• A. The base composition of DNA is the same in two different cells of the same organism.
• B. The viral components labeled with 32P remain outside the cell during a successful infection.
• C. The transforming factor isolated from a virulent bacterium is sensitive to deoxyribonucleases.
• D. The base composition of DNA in an organism remains constant as the organism ages.