Which vehicle will have priority at this intersection?

A)The grey vehicle approaching from the right, in application of the general rule.Correct
B)The blue vehicle approaching from the left, because the grey vehicle has a continuous stop line.
A continuous or broken stop line does not modify the general priority rule, it only indicates the place where we must stop if necessary.
At the intersection in the image, in the absence of signage, we must apply the general priority rule, giving way to the right. Therefore, priority will be for the vehicle approaching from the right, the grey one.
At the intersection in the image, in the absence of signage, we must apply the general priority rule, giving way to the right. Therefore, priority will be for the vehicle approaching from the right, the grey one.