What can happen if there is an error in judgment when passing another vehicle on a two-lane highway?

• Errors in judgment can result in delays.
• Errors in judgment can result in head-on-collisions.
• Errors in judgment can be fatal.
• Both B and C.
  Explanation:

  "On a two-lane highway (one lane of traffic in each direction), passing another vehicle can be difficult and dangerous. Errors in judgment can result in head-on collisions, and these often cause fatalities."