You're driving on a dual carriageway. When would you use the nearside mirror? You're driving on a dual carriageway. When would you use the nearside mirror?

• Possible answers:

   
• A. To check that the driver's door is closed properly
• B. After overtaking, to see whether it's safe to return to the left
• C. To see whether any passengers want the next bus stop
• D. To look for following traffic moving out to overtake