Adriver can be doubly impaired if they are under the influence and
a. unaware of traffic around them.
b. refuse to adapt their driving behavior to traffic conditions.
c. both a and b

The answer is: c. both a and b

Unaware of traffic around them would make the drivers fail to realize the cars that might be heading toward them. This would lead to fatal collision. Refusing to adept their driving behavior may make them unable to adjust their speed according to the situation on the road. This could also lead to fatal crashes.

she recieved a treatment not thought to be specifically effective in treating her disorder.