The gas rationing plan was not binding on ______.

A．a recent oil crisis necessitated it
B．too many drivers were filling their tanks with more than twenty gallons and spilling it
C．people were not getting enough exercise and need to walk, bike, or skate
D．too many motorists had odd-numbered plates

A．were forced to walk, bike, or skate to work
B．were fined and possibly imprisoned
C．had to wait in long lines
D．were forced to use odd-numbered days