Sasha Drives Whenever She Must Travel, Because She's Terrified a Plane

Sasha drives whenever she must travel, because she's terrified a plane will crash. Statistics show that there are 40,000 deaths per year in automobile accidents and only about 200 deaths in air transport, but news programs tend to sensationalize plane crashes and minimize car wrecks. Sadly, many of those automobile accidents could be prevented, since _____________ is implicated in half of all automobile fatalities.

A) alcohol
B) marijuana
C) cocaine
D) carbon monoxide poisoning
E) opiates