Thank you! This actually made me smile today, so thank you for that :)
The correct answer should be
<span>D. Transplant recipients receive organs for free.
That's because it's not mandatory, you don't have to donate your organs if you don't want to. The lists can be very long and many people die before receiving their organ. All possible types of organs can be donated.</span>
They are tested before going to the shops to make it more likely that customers will be satisfied
