Is it advisable to take special care when overtaking a group of cyclists on long ascents?
A)No; overtaking cyclists does not involve any risk.
B)Only if a cyclist is drinking some liquid or eating solid food.
C)Yes, because due to the effort and pedalling they may make sudden changes of trajectory.Correct
It is advisable to take special care when overtaking a group of cyclists on long ascents because, due to the physical effort they are exerting and the constant pedalling, they may make sudden changes of trajectory unexpectedly, increasing the risk of accidents.