A: Because there's space available to turn round if you need to
B: To allow you direct access to the overtaking lanes
C: To allow you to fit safely into the traffic flow in the left-hand lane
D: Because you can continue on the hard shoulder
View hint
Try to join the motorway without affecting the progress of the traffic in the left-hand lane and always give way to traffic already on the motorway. At busy times, you may have to slow down to merge into slow-moving traffic.
