You're approaching a marked stop line and you can see there is no traffic coming in either direction. You must...?

• Slow to less than 5 miles an hour before proceeding
• Slow to less than 7 miles an hour before proceeding
• Come to a complete stop before proceeding
  Explanation:

  " Come to a complete stop before proceeding"
• Slow to less than 3 miles an hour before proceeding