Astronauts Returning from Outer Space Studied Samples Taken from Their

Astronauts returning from outer space studied samples taken from their lunar landing.They found that one of their samples was coated with organic compounds.Which of the following statements must be correct about their samples?

A) The compounds must be covered with ammonia (NH₃) and water vapor.
B) The samples must lack water,but contain DNA.
C) The samples must contain carbon atoms.
D) The specimen must lack water,pesticides,and added hormones.