Here's a problem to solve: New technologies have allowed automobile manufacturers to market fuel-efficient hybrid cars, but disposal of hybrid cars at the end of their service lives presents a problem. Which question represents a disposal problem unique to hybrid vehicles?

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

- A: What will be done to recycle the batteries?
 
- B: What will be done with the refrigerant in the air conditioning system?
 
- C: What will be done with the fluids in the gas tank, the radiator, and the batteries?
 
- D: What will be done with the plastic materials in the vehicles?
 