Read the passage. there are two main reasons why people should buy hybrid automobiles. first, hybrid automobiles are good for the environment. most standard vehicles burn two to three times as much gasoline as hybrid vehicles do to travel the same distance. this means that hybrid vehicles produce less air pollution than standard vehicles. everyone needs to recycle their paper, bottles, and cans. second, people who own hybrid automobiles spend much less money on gasoline than owners of standard vehicles. in some cases, people who drive hybrids save as much as $100 a month!

which supporting sentence does not belong in this paragraph?

a. first, hybrid automobiles are good for the environment.
b. everyone needs to recycle their paper, bottles, and cans.
c. this means that hybrid vehicles produce less air pollution than standard vehicles.
d. most standard vehicles burn two to three times as much gasoline as hybrid vehicles do to travel the same distance.