Here's a problem to solve: Scientists have explained how amino acids, carbohydrates, nucleic acids, and fatty acids could all have been synthesized on Earth before living organisms appeared. Which of the following discoveries would most support the claim that life spontaneously generated from these biochemicals?

Among the 4 following options, which is the correct answer?

- A: These chemicals can self-assemble into a structure that replicates.
 
- B: These chemicals are being used by living organisms today.
 
- C: These chemicals are found on another planet.
 
- D: These chemicals can self-assemble into a virus.
 