A Suspect's Skin and Blood Are Discovered at the Scene

Multiple Choice

A suspect's skin and blood are discovered at the scene of the crime.The DNA is run through the FBI's DNA database and a positive match results,showing that the tissue belongs to Carl Doe.Will this evidence be admissible at trial?

A) No,because it is circumstantial evidence.
B) No,because Carl did not consent to having this sample run through the database.
C) Yes,because DNA evidence cannot be challenged.
D) Yes,because it shows that Carl was present at the scene.