Here's a problem to solve: Which of the following is a central role of carbon in the chemistry of living organisms?

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

- A: Carbon can only bond with other carbon atoms.
 
- B: Carbon is a solvent that breaks chemical bonds.
 
- C: Carbon readily forms ionic bonds that separate easily.
 
- D: Carbon can form many types of molecules with covalent bonds.
 