In the case of the image, who has priority?

In the case of the image, who has priority?
A)The yellow vehicle because it is driving on the main road.
B)The blue vehicle, it is approaching from the right of the yellow one.Correct
C)The yellow vehicle because it is going straight while the blue one has to change direction.
In the case of the image, it can be seen that the intersection has no signage, so the general rule of priority of way must be applied, giving priority to the right.
In this case, the blue vehicle has priority since it is approaching from the right of the yellow vehicle.