A. The truck will stop
B. [The pedestrian] could let the truck pass by and then cross the road in front of me
C. After the truck has taken the turn, pedestrians could approach from the opposite side of the road
Explanation:
You want to turn right. What must you be prepared for?
When turning right, always be prepared for pedestrians who may cross the road after a truck passes by. The truck may block your view of pedestrians approaching from the opposite side. Hence, carefulness and alertness to stop are important.