Answer Happy

please explain and choose the correct ans.
Which of the following statements about next generation biofuels is correct?
a. The objective of next generation biofuels is to use inorganic materials that will not drive up food prices.
b. The cost of next generation biofuels are low.
c. The next generation biofuels will use sugarcane rather than corn.
d. The next generation biofuels will not use any part of the corn plant.